Fix failing tests

Author: MaggieKimani1

test/Microsoft.OpenApi.Hidi.Tests/Services/OpenApiServiceTests.cs

@@ -20,7 +20,7 @@ public async Task ReturnConvertedCSDLFile()
             var csdlStream = fileInput.OpenRead();
 
             // Act
-            var openApiDoc = await OpenApiService.ConvertCsdlToOpenApi(csdlStream);
+            var openApiDoc = await OpenApiService.ConvertCsdlToOpenApi(csdlStream, CancellationToken.None);
             var expectedPathCount = 5;
 
             // Assert
@@ -39,9 +39,9 @@ public async Task ReturnFilteredOpenApiDocBasedOnOperationIdsAndInputCsdlDocumen
             var filePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "UtilityFiles\\Todo.xml");
             var fileInput = new FileInfo(filePath);
             var csdlStream = fileInput.OpenRead();
-
+            
             // Act
-            var openApiDoc = await OpenApiService.ConvertCsdlToOpenApi(csdlStream);
+            var openApiDoc = await OpenApiService.ConvertCsdlToOpenApi(csdlStream, CancellationToken.None);
             var predicate = OpenApiFilterService.CreatePredicate(operationIds, tags);
             var subsetOpenApiDocument = OpenApiFilterService.CreateFilteredDocument(openApiDoc, predicate);