acc: Add a test to deploy a single node cluster config in pipelines (#3951)

## Changes
Add a test to deploy a single node cluster config in pipelines

## Why
There's a difference in payload for this dabs configuration between
direct and TF implementations

Author: andrewnester

acceptance/bundle/resources/pipelines/num-workers-zero/databricks.yml

@@ -0,0 +1,17 @@
+bundle:
+  name: num-workers-zero
+
+resources:
+  pipelines:
+    my:
+      name: test-pipeline
+      libraries:
+        - file:
+            path: "./foo.py"
+      clusters:
+        - node_type_id: i3.xlarge
+          spark_conf:
+            "spark.databricks.cluster.profile": "singleNode"
+            "spark.master": "local[*]"
+          custom_tags:
+            "ResourceClass": "SingleNode"

acceptance/bundle/resources/pipelines/num-workers-zero/foo.py

@@ -0,0 +1,6 @@
+
+>>> [CLI] bundle deploy
+Uploading bundle files to /Workspace/Users/[USERNAME]/.bundle/num-workers-zero/default/files...
+Deploying resources...
+Updating deployment state...
+Deployment complete!

acceptance/bundle/resources/pipelines/num-workers-zero/out.deploy.direct.txt

@@ -0,0 +1,6 @@
+
+>>> [CLI] bundle deploy
+Uploading bundle files to /Workspace/Users/[USERNAME]/.bundle/num-workers-zero/default/files...
+Deploying resources...
+Updating deployment state...
+Deployment complete!

acceptance/bundle/resources/pipelines/num-workers-zero/out.deploy.terraform.txt

@@ -0,0 +1,35 @@
+
+>>> errcode jq -s .[] | select(.method == "POST" and (.path | contains("/pipelines"))) out.requests.txt
+{
+  "method": "POST",
+  "path": "/api/2.0/pipelines",
+  "body": {
+    "channel": "CURRENT",
+    "clusters": [
+      {
+        "custom_tags": {
+          "ResourceClass": "SingleNode"
+        },
+        "label": "default",
+        "node_type_id": "[NODE_TYPE_ID]",
+        "spark_conf": {
+          "spark.databricks.cluster.profile": "singleNode",
+          "spark.master": "local[*]"
+        }
+      }
+    ],
+    "deployment": {
+      "kind": "BUNDLE",
+      "metadata_file_path": "/Workspace/Users/[USERNAME]/.bundle/num-workers-zero/default/state/metadata.json"
+    },
+    "edition": "ADVANCED",
+    "libraries": [
+      {
+        "file": {
+          "path": "/Workspace/Users/[USERNAME]/.bundle/num-workers-zero/default/files/foo.py"
+        }
+      }
+    ],
+    "name": "test-pipeline"
+  }
+}

acceptance/bundle/resources/pipelines/num-workers-zero/out.requests.direct.txt

@@ -0,0 +1,36 @@
+
+>>> errcode jq -s .[] | select(.method == "POST" and (.path | contains("/pipelines"))) out.requests.txt
+{
+  "method": "POST",
+  "path": "/api/2.0/pipelines",
+  "body": {
+    "channel": "CURRENT",
+    "clusters": [
+      {
+        "custom_tags": {
+          "ResourceClass": "SingleNode"
+        },
+        "label": "default",
+        "node_type_id": "[NODE_TYPE_ID]",
+        "num_workers": 0,
+        "spark_conf": {
+          "spark.databricks.cluster.profile": "singleNode",
+          "spark.master": "local[*]"
+        }
+      }
+    ],
+    "deployment": {
+      "kind": "BUNDLE",
+      "metadata_file_path": "/Workspace/Users/[USERNAME]/.bundle/num-workers-zero/default/state/metadata.json"
+    },
+    "edition": "ADVANCED",
+    "libraries": [
+      {
+        "file": {
+          "path": "/Workspace/Users/[USERNAME]/.bundle/num-workers-zero/default/files/foo.py"
+        }
+      }
+    ],
+    "name": "test-pipeline"
+  }
+}

acceptance/bundle/resources/pipelines/num-workers-zero/out.requests.terraform.txt

@@ -0,0 +1,3 @@
+trace $CLI bundle deploy > out.deploy.$DATABRICKS_BUNDLE_ENGINE.txt 2>&1
+trace errcode jq -s '.[] | select(.method == "POST" and (.path | contains("/pipelines")))' out.requests.txt > out.requests.$DATABRICKS_BUNDLE_ENGINE.txt 2>&1
+rm out.requests.txt

acceptance/bundle/resources/pipelines/num-workers-zero/out.test.toml

@@ -0,0 +1,7 @@
+Badness = "num_workers value 0 is not sent in the direct deployment"
+Local = true
+Cloud = false
+RecordRequests = true
+
+[EnvMatrix]
+  DATABRICKS_BUNDLE_ENGINE = ["terraform", "direct"]