[Exporter.OpenTelemetryProtocol] fix event source throws System.FormatException (open-telemetry#5451)

Author: Timothy Mothra

src/OpenTelemetry.Exporter.OpenTelemetryProtocol/PersistentStorage/PersistentStorageEventSource.cs

@@ -145,7 +145,7 @@ public void CouldNotRemoveExpiredLease(string srcFilePath, string destFilePath,
         this.WriteEvent(8, srcFilePath, destFilePath, ex);
     }
 
-    [Event(9, Message = "{0}: Error Message: {1}. Exception: {3}", Level = EventLevel.Error)]
+    [Event(9, Message = "{0}: Error Message: {1}. Exception: {2}", Level = EventLevel.Error)]
     public void PersistentStorageException(string className, string message, string ex)
     {
         this.WriteEvent(9, className, message, ex);

test/OpenTelemetry.Exporter.OpenTelemetryProtocol.Tests/EventSourceTest.cs

@@ -2,6 +2,8 @@
 // SPDX-License-Identifier: Apache-2.0
 
 using OpenTelemetry.Exporter.OpenTelemetryProtocol.Implementation;
+using OpenTelemetry.PersistentStorage.Abstractions;
+using OpenTelemetry.PersistentStorage.FileSystem;
 using OpenTelemetry.Tests;
 using Xunit;
 
@@ -14,4 +16,16 @@ public void EventSourceTest_OpenTelemetryProtocolExporterEventSource()
     {
         EventSourceTestHelper.MethodsAreImplementedConsistentlyWithTheirAttributes(OpenTelemetryProtocolExporterEventSource.Log);
     }
+
+    [Fact]
+    public void EventSourceTest_PersistentStorageAbstractionsEventSource()
+    {
+        EventSourceTestHelper.MethodsAreImplementedConsistentlyWithTheirAttributes(PersistentStorageAbstractionsEventSource.Log);
+    }
+
+    [Fact]
+    public void EventSourceTest_PersistentStorageEventSource()
+    {
+        EventSourceTestHelper.MethodsAreImplementedConsistentlyWithTheirAttributes(PersistentStorageEventSource.Log);
+    }
 }