test(NODE-7463): sync spec tests for transactions (#4884)

Author: tadjik1

test/spec/transactions/unified/backpressure-retryable-writes.json

@@ -412,17 +412,31 @@
           "events": [
             {
               "commandStartedEvent": {
-                "commandName": "insert"
+                "command": {
+                  "startTransaction": true
+                },
+                "commandName": "insert",
+                "databaseName": "transaction-tests"
               }
             },
             {
               "commandStartedEvent": {
-                "commandName": "insert"
+                "command": {
+                  "startTransaction": true
+                },
+                "commandName": "insert",
+                "databaseName": "transaction-tests"
               }
             },
             {
               "commandStartedEvent": {
-                "commandName": "abortTransaction"
+                "command": {
+                  "startTransaction": {
+                    "$$exists": false
+                  }
+                },
+                "commandName": "abortTransaction",
+                "databaseName": "admin"
               }
             }
           ]
@@ -437,4 +451,4 @@
       ]
     }
   ]
-}
+}

test/spec/transactions/unified/backpressure-retryable-writes.yml

@@ -144,7 +144,7 @@ tests:
     outcome:
       - collectionName: *collection_name
         databaseName: *database_name
-        documents: 
+        documents:
           - { _id: 1 }
           - { _id: 2 }
   - description: writes are retried maxAttempts=5 times if backpressure labels are added
@@ -239,12 +239,22 @@ tests:
       - client: *client0
         events:
           - commandStartedEvent:
+              command:
+                startTransaction: true
               commandName: insert
+              databaseName: *database_name
           - commandStartedEvent:
+              command:
+                startTransaction: true
               commandName: insert
+              databaseName: *database_name
           - commandStartedEvent:
+              command:
+                startTransaction:
+                  $$exists: false
               commandName: abortTransaction
+              databaseName: admin
     outcome:
       - collectionName: *collection_name
         databaseName: *database_name
-        documents: []
+        documents: []