Fix tests

Author: Andrew Omondi

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

@@ -35,7 +35,7 @@ public OpenApiFilterServiceTests()
         [InlineData(null, "users.user", 2)]
         [InlineData(null, "applications.application", 1)]
         [InlineData(null, "reports.Functions", 2)]
-        public void ReturnFilteredOpenApiDocumentBasedOnOperationIdsAndTags(string operationIds, string tags, int expectedPathCount)
+        public void ReturnFilteredOpenApiDocumentBasedOnOperationIdsAndTags(string? operationIds, string? tags, int expectedPathCount)
         {
             // Act
             var predicate = OpenApiFilterService.CreatePredicate(operationIds, tags);
@@ -173,7 +173,7 @@ public void ThrowsInvalidOperationExceptionInCreatePredicateWhenInvalidArguments
         [Theory]
         [InlineData("reports.getTeamsUserActivityUserDetail-a3f1", null)]
         [InlineData(null, "reports.Functions")]
-        public void ReturnsPathParametersOnSlicingBasedOnOperationIdsOrTags(string operationIds, string tags)
+        public void ReturnsPathParametersOnSlicingBasedOnOperationIdsOrTags(string? operationIds, string? tags)
         {
             // Act
             var predicate = OpenApiFilterService.CreatePredicate(operationIds, tags);

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

@@ -47,7 +47,7 @@ public async Task ReturnConvertedCSDLFile()
         [InlineData("Todos.Todo.UpdateTodo", null, 1)]
         [InlineData("Todos.Todo.ListTodo", null, 1)]
         [InlineData(null, "Todos.Todo", 5)]
-        public async Task ReturnFilteredOpenApiDocBasedOnOperationIdsAndInputCsdlDocument(string operationIds, string tags, int expectedPathCount)
+        public async Task ReturnFilteredOpenApiDocBasedOnOperationIdsAndInputCsdlDocument(string? operationIds, string? tags, int expectedPathCount)
         {
             // Arrange
             var filePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "UtilityFiles", "Todo.xml");
@@ -68,7 +68,7 @@ public async Task ReturnFilteredOpenApiDocBasedOnOperationIdsAndInputCsdlDocumen
         [Theory]
         [InlineData("UtilityFiles/appsettingstest.json")]
         [InlineData(null)]
-        public void ReturnOpenApiConvertSettingsWhenSettingsFileIsProvided(string filePath)
+        public void ReturnOpenApiConvertSettingsWhenSettingsFileIsProvided(string? filePath)
         {
             // Arrange
             var config = SettingsUtilities.GetConfiguration(filePath);