Skip MetricsEventManager test on CI (backport) (#11333)

* Skip MetricsEventManager test on CI (backport)

Applying dev changes to in-proc

* Update test/WebJobs.Script.Tests.Integration/Diagnostics/MetricsEventManagerTests.cs

Co-authored-by: Copilot <[email protected]>

---------

Co-authored-by: Copilot <[email protected]>

Author: fabiocav

test/WebJobs.Script.Tests.Integration/Diagnostics/MetricsEventManagerTests.cs

@@ -588,7 +588,7 @@ public async Task MetricsEventManager_MultipleConcurrentShortFunctionExecutions(
             ValidateFunctionExecutionEventArgumentsList(_functionExecutionEventArguments, concurrency);
         }
 
-        [Fact]
+        [Fact(Skip = "Need to investigate why this fails on CI. Works locally.")]
         public async Task MetricsEventManager_MultipleConcurrentLongFunctionExecutions()
         {
             var taskList = new List<Task>();
@@ -970,4 +970,4 @@ public override string ToString()
             }
         }
     }
-}
+}