Update change stream retryable reads tests

Author: jyemin

driver-core/src/test/functional/com/mongodb/client/CommandMonitoringTestHelper.java

@@ -76,7 +76,8 @@ public static List<CommandEvent> getExpectedEvents(final BsonArray expectedEvent
             String commandName = eventDescriptionDocument.getString("command_name", new BsonString("")).getValue();
             if (eventType.equals("command_started_event")) {
                 BsonDocument commandDocument = eventDescriptionDocument.getDocument("command");
-                String actualDatabaseName = databaseName;
+                String actualDatabaseName = eventDescriptionDocument.containsKey("database_name")
+                                            ? eventDescriptionDocument.getString("database_name").getValue() : databaseName;
                 // If the spec test supplies a $db field in the command, then use that database.
                 if (commandDocument.containsKey("$db")) {
                     actualDatabaseName = commandDocument.getString("$db").getValue();

driver-core/src/test/resources/retryable-reads/changeStreams-client.watch-serverErrors.json

@@ -13,7 +13,7 @@
       ]
     }
   ],
-  "database_name": "admin",
+  "database_name": "retryable-reads-tests",
   "collection_name": "coll",
   "data": [
     {

driver-core/src/test/resources/retryable-reads/changeStreams-client.watch.json

@@ -13,7 +13,7 @@
       ]
     }
   ],
-  "database_name": "admin",
+  "database_name": "retryable-reads-tests",
   "collection_name": "coll",
   "data": [
     {
@@ -204,7 +204,7 @@
                 }
               ]
             },
-            "database_name": "admin"
+              "database_name": "admin"
           }
         }
       ]