diff --git a/test/asynchronous/test_retryable_writes.py b/test/asynchronous/test_retryable_writes.py
index accbbd003f..ca2f0a5422 100644
--- a/test/asynchronous/test_retryable_writes.py
+++ b/test/asynchronous/test_retryable_writes.py
@@ -1,4 +1,4 @@
-# Copyright 2017 MongoDB, Inc.
+# Copyright 2017-present MongoDB, Inc.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -43,7 +43,6 @@
 from bson.int64 import Int64
 from bson.raw_bson import RawBSONDocument
 from bson.son import SON
-from pymongo.asynchronous.mongo_client import AsyncMongoClient
 from pymongo.errors import (
     AutoReconnect,
     ConnectionFailure,
@@ -226,47 +225,6 @@ async def test_supported_single_statement_no_retry(self):
                     f"{msg} sent txnNumber with {event.command_name}",
                 )
 
-    @async_client_context.require_no_standalone
-    async def test_supported_single_statement_supported_cluster(self):
-        for method, args, kwargs in retryable_single_statement_ops(self.db.retryable_write_test):
-            msg = f"{method.__name__}(*{args!r}, **{kwargs!r})"
-            self.listener.reset()
-            await method(*args, **kwargs)
-            commands_started = self.listener.started_events
-            self.assertEqual(len(self.listener.succeeded_events), 1, msg)
-            first_attempt = commands_started[0]
-            self.assertIn(
-                "lsid",
-                first_attempt.command,
-                f"{msg} sent no lsid with {first_attempt.command_name}",
-            )
-            initial_session_id = first_attempt.command["lsid"]
-            self.assertIn(
-                "txnNumber",
-                first_attempt.command,
-                f"{msg} sent no txnNumber with {first_attempt.command_name}",
-            )
-
-            # There should be no retry when the failpoint is not active.
-            if async_client_context.is_mongos or not async_client_context.test_commands_enabled:
-                self.assertEqual(len(commands_started), 1)
-                continue
-
-            initial_transaction_id = first_attempt.command["txnNumber"]
-            retry_attempt = commands_started[1]
-            self.assertIn(
-                "lsid",
-                retry_attempt.command,
-                f"{msg} sent no lsid with {first_attempt.command_name}",
-            )
-            self.assertEqual(retry_attempt.command["lsid"], initial_session_id, msg)
-            self.assertIn(
-                "txnNumber",
-                retry_attempt.command,
-                f"{msg} sent no txnNumber with {first_attempt.command_name}",
-            )
-            self.assertEqual(retry_attempt.command["txnNumber"], initial_transaction_id, msg)
-
     async def test_supported_single_statement_unsupported_cluster(self):
         if async_client_context.is_rs or async_client_context.is_mongos:
             raise SkipTest("This cluster supports retryable writes")
diff --git a/test/retryable_writes/unified/aggregate-out-merge.json b/test/retryable_writes/unified/aggregate-out-merge.json
new file mode 100644
index 0000000000..c46bf8c31f
--- /dev/null
+++ b/test/retryable_writes/unified/aggregate-out-merge.json
@@ -0,0 +1,144 @@
+{
+  "description": "aggregate with $out/$merge does not set txnNumber",
+  "schemaVersion": "1.3",
+  "runOnRequirements": [
+    {
+      "minServerVersion": "3.6",
+      "topologies": [
+        "replicaset",
+        "sharded",
+        "load-balanced"
+      ]
+    }
+  ],
+  "createEntities": [
+    {
+      "client": {
+        "id": "client0",
+        "observeEvents": [
+          "commandStartedEvent"
+        ]
+      }
+    },
+    {
+      "database": {
+        "id": "database0",
+        "client": "client0",
+        "databaseName": "retryable-writes-tests"
+      }
+    },
+    {
+      "collection": {
+        "id": "collection0",
+        "database": "database0",
+        "collectionName": "coll0"
+      }
+    }
+  ],
+  "initialData": [
+    {
+      "collectionName": "mergeCollection",
+      "databaseName": "retryable-writes-tests",
+      "documents": []
+    }
+  ],
+  "tests": [
+    {
+      "description": "aggregate with $out does not set txnNumber",
+      "operations": [
+        {
+          "object": "collection0",
+          "name": "aggregate",
+          "arguments": {
+            "pipeline": [
+              {
+                "$sort": {
+                  "x": 1
+                }
+              },
+              {
+                "$match": {
+                  "_id": {
+                    "$gt": 1
+                  }
+                }
+              },
+              {
+                "$out": "outCollection"
+              }
+            ]
+          }
+        }
+      ],
+      "expectEvents": [
+        {
+          "client": "client0",
+          "events": [
+            {
+              "commandStartedEvent": {
+                "commandName": "aggregate",
+                "command": {
+                  "txnNumber": {
+                    "$$exists": false
+                  }
+                }
+              }
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "description": "aggregate with $merge does not set txnNumber",
+      "runOnRequirements": [
+        {
+          "minServerVersion": "4.1.11"
+        }
+      ],
+      "operations": [
+        {
+          "object": "collection0",
+          "name": "aggregate",
+          "arguments": {
+            "pipeline": [
+              {
+                "$sort": {
+                  "x": 1
+                }
+              },
+              {
+                "$match": {
+                  "_id": {
+                    "$gt": 1
+                  }
+                }
+              },
+              {
+                "$merge": {
+                  "into": "mergeCollection"
+                }
+              }
+            ]
+          }
+        }
+      ],
+      "expectEvents": [
+        {
+          "client": "client0",
+          "events": [
+            {
+              "commandStartedEvent": {
+                "commandName": "aggregate",
+                "command": {
+                  "txnNumber": {
+                    "$$exists": false
+                  }
+                }
+              }
+            }
+          ]
+        }
+      ]
+    }
+  ]
+}
diff --git a/test/retryable_writes/unified/bulkWrite.json b/test/retryable_writes/unified/bulkWrite.json
index 691321746b..f2bd9e0eb8 100644
--- a/test/retryable_writes/unified/bulkWrite.json
+++ b/test/retryable_writes/unified/bulkWrite.json
@@ -13,7 +13,10 @@
     {
       "client": {
         "id": "client0",
-        "useMultipleMongoses": false
+        "useMultipleMongoses": false,
+        "observeEvents": [
+          "commandStartedEvent"
+        ]
       }
     },
     {
@@ -121,6 +124,53 @@
             }
           ]
         }
+      ],
+      "expectEvents": [
+        {
+          "client": "client0",
+          "events": [
+            {
+              "commandStartedEvent": {
+                "commandName": "insert",
+                "command": {
+                  "txnNumber": {
+                    "$$exists": true
+                  }
+                }
+              }
+            },
+            {
+              "commandStartedEvent": {
+                "commandName": "insert",
+                "command": {
+                  "txnNumber": {
+                    "$$exists": true
+                  }
+                }
+              }
+            },
+            {
+              "commandStartedEvent": {
+                "commandName": "update",
+                "command": {
+                  "txnNumber": {
+                    "$$exists": true
+                  }
+                }
+              }
+            },
+            {
+              "commandStartedEvent": {
+                "commandName": "delete",
+                "command": {
+                  "txnNumber": {
+                    "$$exists": true
+                  }
+                }
+              }
+            }
+          ]
+        }
       ]
     },
     {
@@ -510,6 +560,33 @@
             }
           ]
         }
+      ],
+      "expectEvents": [
+        {
+          "client": "client0",
+          "events": [
+            {
+              "commandStartedEvent": {
+                "commandName": "insert",
+                "command": {
+                  "txnNumber": {
+                    "$$exists": true
+                  }
+                }
+              }
+            },
+            {
+              "commandStartedEvent": {
+                "commandName": "insert",
+                "command": {
+                  "txnNumber": {
+                    "$$exists": true
+                  }
+                }
+              }
+            }
+          ]
+        }
       ]
     },
     {
@@ -926,6 +1003,81 @@
           ]
         }
       ]
+    },
+    {
+      "description": "collection bulkWrite with updateMany does not set txnNumber",
+      "operations": [
+        {
+          "object": "collection0",
+          "name": "bulkWrite",
+          "arguments": {
+            "requests": [
+              {
+                "updateMany": {
+                  "filter": {},
+                  "update": {
+                    "$set": {
+                      "x": 1
+                    }
+                  }
+                }
+              }
+            ]
+          }
+        }
+      ],
+      "expectEvents": [
+        {
+          "client": "client0",
+          "events": [
+            {
+              "commandStartedEvent": {
+                "commandName": "update",
+                "command": {
+                  "txnNumber": {
+                    "$$exists": false
+                  }
+                }
+              }
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "description": "collection bulkWrite with deleteMany does not set txnNumber",
+      "operations": [
+        {
+          "object": "collection0",
+          "name": "bulkWrite",
+          "arguments": {
+            "requests": [
+              {
+                "deleteMany": {
+                  "filter": {}
+                }
+              }
+            ]
+          }
+        }
+      ],
+      "expectEvents": [
+        {
+          "client": "client0",
+          "events": [
+            {
+              "commandStartedEvent": {
+                "commandName": "delete",
+                "command": {
+                  "txnNumber": {
+                    "$$exists": false
+                  }
+                }
+              }
+            }
+          ]
+        }
+      ]
     }
   ]
 }
diff --git a/test/retryable_writes/unified/client-bulkWrite-serverErrors.json b/test/retryable_writes/unified/client-bulkWrite-serverErrors.json
index f58c82bcc7..a1f7c8152a 100644
--- a/test/retryable_writes/unified/client-bulkWrite-serverErrors.json
+++ b/test/retryable_writes/unified/client-bulkWrite-serverErrors.json
@@ -428,7 +428,10 @@
                     {
                       "ns": "retryable-writes-tests.coll0"
                     }
-                  ]
+                  ],
+                  "txnNumber": {
+                    "$$exists": false
+                  }
                 }
               }
             }
@@ -779,7 +782,10 @@
                     {
                       "ns": "retryable-writes-tests.coll0"
                     }
-                  ]
+                  ],
+                  "txnNumber": {
+                    "$$exists": false
+                  }
                 }
               }
             }
@@ -861,7 +867,10 @@
                     {
                       "ns": "retryable-writes-tests.coll0"
                     }
-                  ]
+                  ],
+                  "txnNumber": {
+                    "$$exists": false
+                  }
                 }
               }
             }
diff --git a/test/retryable_writes/unified/deleteMany.json b/test/retryable_writes/unified/deleteMany.json
index 087576cc0f..381f377954 100644
--- a/test/retryable_writes/unified/deleteMany.json
+++ b/test/retryable_writes/unified/deleteMany.json
@@ -15,7 +15,10 @@
     {
       "client": {
         "id": "client0",
-        "useMultipleMongoses": true
+        "useMultipleMongoses": true,
+        "observeEvents": [
+          "commandStartedEvent"
+        ]
       }
     },
     {
@@ -70,6 +73,23 @@
           "databaseName": "retryable-writes-tests",
           "documents": []
         }
+      ],
+      "expectEvents": [
+        {
+          "client": "client0",
+          "events": [
+            {
+              "commandStartedEvent": {
+                "commandName": "delete",
+                "command": {
+                  "txnNumber": {
+                    "$$exists": false
+                  }
+                }
+              }
+            }
+          ]
+        }
       ]
     }
   ]
diff --git a/test/retryable_writes/unified/deleteOne.json b/test/retryable_writes/unified/deleteOne.json
index c3aaf88655..9e37ff8bcf 100644
--- a/test/retryable_writes/unified/deleteOne.json
+++ b/test/retryable_writes/unified/deleteOne.json
@@ -13,7 +13,10 @@
     {
       "client": {
         "id": "client0",
-        "useMultipleMongoses": false
+        "useMultipleMongoses": false,
+        "observeEvents": [
+          "commandStartedEvent"
+        ]
       }
     },
     {
@@ -88,6 +91,33 @@
             }
           ]
         }
+      ],
+      "expectEvents": [
+        {
+          "client": "client0",
+          "events": [
+            {
+              "commandStartedEvent": {
+                "commandName": "delete",
+                "command": {
+                  "txnNumber": {
+                    "$$exists": true
+                  }
+                }
+              }
+            },
+            {
+              "commandStartedEvent": {
+                "commandName": "delete",
+                "command": {
+                  "txnNumber": {
+                    "$$exists": true
+                  }
+                }
+              }
+            }
+          ]
+        }
       ]
     },
     {
diff --git a/test/retryable_writes/unified/findOneAndDelete.json b/test/retryable_writes/unified/findOneAndDelete.json
index 89dbb9d655..ebfb8ce665 100644
--- a/test/retryable_writes/unified/findOneAndDelete.json
+++ b/test/retryable_writes/unified/findOneAndDelete.json
@@ -13,7 +13,10 @@
     {
       "client": {
         "id": "client0",
-        "useMultipleMongoses": false
+        "useMultipleMongoses": false,
+        "observeEvents": [
+          "commandStartedEvent"
+        ]
       }
     },
     {
@@ -94,6 +97,33 @@
             }
           ]
         }
+      ],
+      "expectEvents": [
+        {
+          "client": "client0",
+          "events": [
+            {
+              "commandStartedEvent": {
+                "commandName": "findAndModify",
+                "command": {
+                  "txnNumber": {
+                    "$$exists": true
+                  }
+                }
+              }
+            },
+            {
+              "commandStartedEvent": {
+                "commandName": "findAndModify",
+                "command": {
+                  "txnNumber": {
+                    "$$exists": true
+                  }
+                }
+              }
+            }
+          ]
+        }
       ]
     },
     {
diff --git a/test/retryable_writes/unified/findOneAndReplace.json b/test/retryable_writes/unified/findOneAndReplace.json
index 6d1cc17974..638d15a41d 100644
--- a/test/retryable_writes/unified/findOneAndReplace.json
+++ b/test/retryable_writes/unified/findOneAndReplace.json
@@ -13,7 +13,10 @@
     {
       "client": {
         "id": "client0",
-        "useMultipleMongoses": false
+        "useMultipleMongoses": false,
+        "observeEvents": [
+          "commandStartedEvent"
+        ]
       }
     },
     {
@@ -98,6 +101,33 @@
             }
           ]
         }
+      ],
+      "expectEvents": [
+        {
+          "client": "client0",
+          "events": [
+            {
+              "commandStartedEvent": {
+                "commandName": "findAndModify",
+                "command": {
+                  "txnNumber": {
+                    "$$exists": true
+                  }
+                }
+              }
+            },
+            {
+              "commandStartedEvent": {
+                "commandName": "findAndModify",
+                "command": {
+                  "txnNumber": {
+                    "$$exists": true
+                  }
+                }
+              }
+            }
+          ]
+        }
       ]
     },
     {
diff --git a/test/retryable_writes/unified/findOneAndUpdate.json b/test/retryable_writes/unified/findOneAndUpdate.json
index eb88fbe9b3..eefe98ae11 100644
--- a/test/retryable_writes/unified/findOneAndUpdate.json
+++ b/test/retryable_writes/unified/findOneAndUpdate.json
@@ -13,7 +13,10 @@
     {
       "client": {
         "id": "client0",
-        "useMultipleMongoses": false
+        "useMultipleMongoses": false,
+        "observeEvents": [
+          "commandStartedEvent"
+        ]
       }
     },
     {
@@ -99,6 +102,33 @@
             }
           ]
         }
+      ],
+      "expectEvents": [
+        {
+          "client": "client0",
+          "events": [
+            {
+              "commandStartedEvent": {
+                "commandName": "findAndModify",
+                "command": {
+                  "txnNumber": {
+                    "$$exists": true
+                  }
+                }
+              }
+            },
+            {
+              "commandStartedEvent": {
+                "commandName": "findAndModify",
+                "command": {
+                  "txnNumber": {
+                    "$$exists": true
+                  }
+                }
+              }
+            }
+          ]
+        }
       ]
     },
     {
diff --git a/test/retryable_writes/unified/insertMany.json b/test/retryable_writes/unified/insertMany.json
index 47181d0a9e..35a18c46c6 100644
--- a/test/retryable_writes/unified/insertMany.json
+++ b/test/retryable_writes/unified/insertMany.json
@@ -13,7 +13,10 @@
     {
       "client": {
         "id": "client0",
-        "useMultipleMongoses": false
+        "useMultipleMongoses": false,
+        "observeEvents": [
+          "commandStartedEvent"
+        ]
       }
     },
     {
@@ -107,6 +110,33 @@
             }
           ]
         }
+      ],
+      "expectEvents": [
+        {
+          "client": "client0",
+          "events": [
+            {
+              "commandStartedEvent": {
+                "commandName": "insert",
+                "command": {
+                  "txnNumber": {
+                    "$$exists": true
+                  }
+                }
+              }
+            },
+            {
+              "commandStartedEvent": {
+                "commandName": "insert",
+                "command": {
+                  "txnNumber": {
+                    "$$exists": true
+                  }
+                }
+              }
+            }
+          ]
+        }
       ]
     },
     {
@@ -172,6 +202,33 @@
             }
           ]
         }
+      ],
+      "expectEvents": [
+        {
+          "client": "client0",
+          "events": [
+            {
+              "commandStartedEvent": {
+                "commandName": "insert",
+                "command": {
+                  "txnNumber": {
+                    "$$exists": true
+                  }
+                }
+              }
+            },
+            {
+              "commandStartedEvent": {
+                "commandName": "insert",
+                "command": {
+                  "txnNumber": {
+                    "$$exists": true
+                  }
+                }
+              }
+            }
+          ]
+        }
       ]
     },
     {
diff --git a/test/retryable_writes/unified/insertOne.json b/test/retryable_writes/unified/insertOne.json
index 61957415ed..a6afdbf224 100644
--- a/test/retryable_writes/unified/insertOne.json
+++ b/test/retryable_writes/unified/insertOne.json
@@ -13,7 +13,10 @@
     {
       "client": {
         "id": "client0",
-        "useMultipleMongoses": false
+        "useMultipleMongoses": false,
+        "observeEvents": [
+          "commandStartedEvent"
+        ]
       }
     },
     {
@@ -101,6 +104,33 @@
             }
           ]
         }
+      ],
+      "expectEvents": [
+        {
+          "client": "client0",
+          "events": [
+            {
+              "commandStartedEvent": {
+                "commandName": "insert",
+                "command": {
+                  "txnNumber": {
+                    "$$exists": true
+                  }
+                }
+              }
+            },
+            {
+              "commandStartedEvent": {
+                "commandName": "insert",
+                "command": {
+                  "txnNumber": {
+                    "$$exists": true
+                  }
+                }
+              }
+            }
+          ]
+        }
       ]
     },
     {
diff --git a/test/retryable_writes/unified/replaceOne.json b/test/retryable_writes/unified/replaceOne.json
index e58625bb5e..ee6e37d3bb 100644
--- a/test/retryable_writes/unified/replaceOne.json
+++ b/test/retryable_writes/unified/replaceOne.json
@@ -13,7 +13,10 @@
     {
       "client": {
         "id": "client0",
-        "useMultipleMongoses": false
+        "useMultipleMongoses": false,
+        "observeEvents": [
+          "commandStartedEvent"
+        ]
       }
     },
     {
@@ -98,6 +101,33 @@
             }
           ]
         }
+      ],
+      "expectEvents": [
+        {
+          "client": "client0",
+          "events": [
+            {
+              "commandStartedEvent": {
+                "commandName": "update",
+                "command": {
+                  "txnNumber": {
+                    "$$exists": true
+                  }
+                }
+              }
+            },
+            {
+              "commandStartedEvent": {
+                "commandName": "update",
+                "command": {
+                  "txnNumber": {
+                    "$$exists": true
+                  }
+                }
+              }
+            }
+          ]
+        }
       ]
     },
     {
diff --git a/test/retryable_writes/unified/unacknowledged-write-concern.json b/test/retryable_writes/unified/unacknowledged-write-concern.json
new file mode 100644
index 0000000000..eaa114acfd
--- /dev/null
+++ b/test/retryable_writes/unified/unacknowledged-write-concern.json
@@ -0,0 +1,77 @@
+{
+  "description": "unacknowledged write does not set txnNumber",
+  "schemaVersion": "1.3",
+  "runOnRequirements": [
+    {
+      "minServerVersion": "3.6",
+      "topologies": [
+        "replicaset",
+        "sharded",
+        "load-balanced"
+      ]
+    }
+  ],
+  "createEntities": [
+    {
+      "client": {
+        "id": "client0",
+        "observeEvents": [
+          "commandStartedEvent"
+        ]
+      }
+    },
+    {
+      "database": {
+        "id": "database0",
+        "client": "client0",
+        "databaseName": "retryable-writes-tests"
+      }
+    },
+    {
+      "collection": {
+        "id": "collection0",
+        "database": "database0",
+        "collectionName": "coll0",
+        "collectionOptions": {
+          "writeConcern": {
+            "w": 0
+          }
+        }
+      }
+    }
+  ],
+  "tests": [
+    {
+      "description": "unacknowledged write does not set txnNumber",
+      "operations": [
+        {
+          "object": "collection0",
+          "name": "insertOne",
+          "arguments": {
+            "document": {
+              "_id": 1,
+              "x": 11
+            }
+          }
+        }
+      ],
+      "expectEvents": [
+        {
+          "client": "client0",
+          "events": [
+            {
+              "commandStartedEvent": {
+                "commandName": "insert",
+                "command": {
+                  "txnNumber": {
+                    "$$exists": false
+                  }
+                }
+              }
+            }
+          ]
+        }
+      ]
+    }
+  ]
+}
diff --git a/test/retryable_writes/unified/updateMany.json b/test/retryable_writes/unified/updateMany.json
index 260b7ad1c6..12c5204ee9 100644
--- a/test/retryable_writes/unified/updateMany.json
+++ b/test/retryable_writes/unified/updateMany.json
@@ -15,7 +15,10 @@
     {
       "client": {
         "id": "client0",
-        "useMultipleMongoses": true
+        "useMultipleMongoses": true,
+        "observeEvents": [
+          "commandStartedEvent"
+        ]
       }
     },
     {
@@ -86,6 +89,23 @@
             }
           ]
         }
+      ],
+      "expectEvents": [
+        {
+          "client": "client0",
+          "events": [
+            {
+              "commandStartedEvent": {
+                "commandName": "update",
+                "command": {
+                  "txnNumber": {
+                    "$$exists": false
+                  }
+                }
+              }
+            }
+          ]
+        }
       ]
     }
   ]
diff --git a/test/retryable_writes/unified/updateOne.json b/test/retryable_writes/unified/updateOne.json
index 7947cef3c0..99ffba8e21 100644
--- a/test/retryable_writes/unified/updateOne.json
+++ b/test/retryable_writes/unified/updateOne.json
@@ -13,7 +13,10 @@
     {
       "client": {
         "id": "client0",
-        "useMultipleMongoses": false
+        "useMultipleMongoses": false,
+        "observeEvents": [
+          "commandStartedEvent"
+        ]
       }
     },
     {
@@ -99,6 +102,33 @@
             }
           ]
         }
+      ],
+      "expectEvents": [
+        {
+          "client": "client0",
+          "events": [
+            {
+              "commandStartedEvent": {
+                "commandName": "update",
+                "command": {
+                  "txnNumber": {
+                    "$$exists": true
+                  }
+                }
+              }
+            },
+            {
+              "commandStartedEvent": {
+                "commandName": "update",
+                "command": {
+                  "txnNumber": {
+                    "$$exists": true
+                  }
+                }
+              }
+            }
+          ]
+        }
       ]
     },
     {
diff --git a/test/test_retryable_writes.py b/test/test_retryable_writes.py
index 5df6c41f7a..74f3c23e51 100644
--- a/test/test_retryable_writes.py
+++ b/test/test_retryable_writes.py
@@ -1,4 +1,4 @@
-# Copyright 2017 MongoDB, Inc.
+# Copyright 2017-present MongoDB, Inc.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -65,7 +65,6 @@
     UpdateMany,
     UpdateOne,
 )
-from pymongo.synchronous.mongo_client import MongoClient
 from pymongo.write_concern import WriteConcern
 
 _IS_SYNC = True
@@ -226,47 +225,6 @@ def test_supported_single_statement_no_retry(self):
                     f"{msg} sent txnNumber with {event.command_name}",
                 )
 
-    @client_context.require_no_standalone
-    def test_supported_single_statement_supported_cluster(self):
-        for method, args, kwargs in retryable_single_statement_ops(self.db.retryable_write_test):
-            msg = f"{method.__name__}(*{args!r}, **{kwargs!r})"
-            self.listener.reset()
-            method(*args, **kwargs)
-            commands_started = self.listener.started_events
-            self.assertEqual(len(self.listener.succeeded_events), 1, msg)
-            first_attempt = commands_started[0]
-            self.assertIn(
-                "lsid",
-                first_attempt.command,
-                f"{msg} sent no lsid with {first_attempt.command_name}",
-            )
-            initial_session_id = first_attempt.command["lsid"]
-            self.assertIn(
-                "txnNumber",
-                first_attempt.command,
-                f"{msg} sent no txnNumber with {first_attempt.command_name}",
-            )
-
-            # There should be no retry when the failpoint is not active.
-            if client_context.is_mongos or not client_context.test_commands_enabled:
-                self.assertEqual(len(commands_started), 1)
-                continue
-
-            initial_transaction_id = first_attempt.command["txnNumber"]
-            retry_attempt = commands_started[1]
-            self.assertIn(
-                "lsid",
-                retry_attempt.command,
-                f"{msg} sent no lsid with {first_attempt.command_name}",
-            )
-            self.assertEqual(retry_attempt.command["lsid"], initial_session_id, msg)
-            self.assertIn(
-                "txnNumber",
-                retry_attempt.command,
-                f"{msg} sent no txnNumber with {first_attempt.command_name}",
-            )
-            self.assertEqual(retry_attempt.command["txnNumber"], initial_transaction_id, msg)
-
     def test_supported_single_statement_unsupported_cluster(self):
         if client_context.is_rs or client_context.is_mongos:
             raise SkipTest("This cluster supports retryable writes")