Update test-configuration.json (#43505)

Author: adityamandaleeka

eng/test-configuration.json

@@ -21,7 +21,7 @@
     {"testName": {"contains": "BidirectionalStream_ServerReadsDataAndCompletes_GracefullyClosed"}},
     {"testName": {"contains": "POST_ServerAbort_ClientReceivesAbort"}},
     {"testName": {"contains": "VariableMultipleStreamsInSequence"}},
-    {"testNAme": {"comtains": "POST_ServerAbortAfterWrite_ClientReceivesAbort"}},
+    {"testName": {"contains": "POST_ServerAbortAfterWrite_ClientReceivesAbort"}},
     {"testAssembly": {"contains": "IIS"}},
     {"failureMessage": {"contains":"(Site is started but no worker process found)"}},
     {"failureMessage": {"contains": "network disconnected"}}