test: fix tests

Author: durran

test/spec/auth/legacy/connection-string.json

@@ -442,12 +442,12 @@
     },
     {
       "description": "should throw an exception if username provided (MONGODB-AWS)",
-      "uri": "mongodb://[email protected]/",
+      "uri": "mongodb://[email protected]/?authMechanism=MONGODB-AWS",
       "valid": false
     },
     {
       "description": "should throw an exception if username and password provided (MONGODB-AWS)",
-      "uri": "mongodb://user:[email protected]/",
+      "uri": "mongodb://user:[email protected]/?authMechanism=MONGODB-AWS",
       "valid": false
     },
     {

test/spec/auth/legacy/connection-string.yml

@@ -321,10 +321,10 @@ tests:
     mechanism_properties:
       AWS_SESSION_TOKEN: token!@#$%^&*()_+
 - description: should throw an exception if username provided (MONGODB-AWS)
-  uri: mongodb://[email protected]/
+  uri: mongodb://[email protected]/?authMechanism=MONGODB-AWS
   valid: false
 - description: should throw an exception if username and password provided (MONGODB-AWS)
-  uri: mongodb://user:[email protected]/
+  uri: mongodb://user:[email protected]/?authMechanism=MONGODB-AWS
   valid: false
 - description: should throw an exception if AWS_SESSION_TOKEN provided (MONGODB-AWS)
   uri: mongodb://localhost/?authMechanism=MONGODB-AWS&authMechanismProperties=AWS_SESSION_TOKEN:token