Fix warnings.

Author: GillesTourreau

tests/.editorconfig

@@ -10,6 +10,9 @@ dotnet_diagnostic.BL0005.severity = none
 # CA1806: Do not ignore method results
 dotnet_diagnostic.CA1806.severity = none
 
+# CA2016: Forward the 'CancellationToken' parameter to methods
+dotnet_diagnostic.CA2016.severity = none
+
 #### Sonar Analyzers ####
 
 # S1144: Unused private types or members should be removed

tests/Emailing.Graph.Tests/GraphEmailProviderTest.cs

@@ -51,7 +51,7 @@ public async Task SendAsync(EmailImportance importance, Importance expectedImpor
                     requestInfo.HttpMethod.Should().Be(Method.POST);
                     requestInfo.URI.Should().Be("http://base/url/users/sender%40domain.com/sendMail");
 
-                    var jsonMessage = KiotaJsonSerializer.Deserialize<SendMailPostRequestBody>(requestInfo.Content);
+                    var jsonMessage = KiotaJsonSerializer.DeserializeAsync<SendMailPostRequestBody>(requestInfo.Content).GetAwaiter().GetResult();
 
                     jsonMessage.Message.Attachments.Should().BeNull();
                     jsonMessage.Message.Body.Content.Should().Be("The HTML content");