DRIVERS-2915 Add authMechanism option to tests where needed (#1599)

DRIVERS-2915

* Add authMechanism option where needed, minor fixes

* Apply suggestions from code review

Co-authored-by: Steven Silvester <[email protected]>

---------

Co-authored-by: Steven Silvester <[email protected]>

Author: katcharov

source/connection-string/connection-string-spec.md

@@ -224,10 +224,10 @@ The values in connection options MUST be URL decoded by the parser. The values c
   ?readPreferenceTags=dc:ny,rack:1
   ```
 
-  Drivers MUST handle unencoded colon signs (":") within the value. For example, given the connection string:
+  Drivers MUST handle unencoded colon signs (":") within the value. For example, given the connection string option:
 
   ```
-  ?authMechanismProperties=TOKEN_RESOURCE:mongodb://foo
+  authMechanismProperties=TOKEN_RESOURCE:mongodb://foo
   ```
 
   the driver MUST interpret the key as `TOKEN_RESOURCE` and the value as `mongodb://foo`.

source/connection-string/tests/valid-options.json

@@ -30,7 +30,7 @@ tests:
               tls: true
     -
         description: Colon in a key value pair
-        uri: mongodb://example.com?authMechanismProperties=TOKEN_RESOURCE:mongodb://test-cluster
+        uri: mongodb://example.com/?authMechanism=MONGODB-OIDC&authMechanismProperties=TOKEN_RESOURCE:mongodb://test-cluster
         valid: true
         warning: false
         hosts:
@@ -40,5 +40,5 @@ tests:
                 port: ~
         auth: ~
         options:
-        authmechanismProperties:
-            TOKEN_RESOURCE: 'mongodb://test-cluster'
+            authmechanismProperties:
+                TOKEN_RESOURCE: 'mongodb://test-cluster'

source/connection-string/tests/valid-options.yml

@@ -75,7 +75,7 @@ tests:
         options: ~
     -
         description: Comma in a key value pair causes a warning
-        uri: mongodb://example.com?authMechanismProperties=TOKEN_RESOURCE:mongodb://host1%2Chost2
+        uri: mongodb://localhost?authMechanism=MONGODB-OIDC&authMechanismProperties=TOKEN_RESOURCE:mongodb://host1%2Chost2
         valid: true
         warning: true
         hosts: