Fix output directory of policy fragment test (#845)

Co-authored-by: Farhad Alizada <falizada@microsoft.com>

tests/ArmTemplates.Tests/Extractor/Scenarios/PolicyFragmentsExtractorTests.cs

@@ -154,7 +154,7 @@ public async Task GeneratePolicyFragmentTemplates_GeneratesPolicyFragmentTemplat
         public async Task GeneratePolicyFragmentTemplates_GeneratesPolicyFragmentTemplateForSingleApi_GivenDifferentPolicyFragmentIdCases()
         {
             // arrange
-            var currentTestDirectory = Path.Combine(this.OutputDirectory, nameof(GeneratePolicyFragmentTemplates_GeneratesPolicyFragmentTemplateForSingleApi));
+            var currentTestDirectory = Path.Combine(this.OutputDirectory, nameof(GeneratePolicyFragmentTemplates_GeneratesPolicyFragmentTemplateForSingleApi_GivenDifferentPolicyFragmentIdCases));
 
             var extractorConfig = this.GetDefaultExtractorConsoleAppConfiguration(
                 apiName: "api");