(no ticket) netstd testcase for THRIFT-5835
Client: netstd
Patch: Jens Geyer
diff --git a/lib/netstd/Tests/Thrift.Tests/DataModel/ExceptionAsStruct.cs b/lib/netstd/Tests/Thrift.Tests/DataModel/ExceptionAsStruct.cs
index 8b9490b..70486bd 100644
--- a/lib/netstd/Tests/Thrift.Tests/DataModel/ExceptionAsStruct.cs
+++ b/lib/netstd/Tests/Thrift.Tests/DataModel/ExceptionAsStruct.cs
@@ -42,9 +42,9 @@
             VerifyIdenticalContent(checking, initial);
         }
 
-        private string FormatKey(int i) => $"Test {i}";
+        private static string FormatKey(int i) => $"Test {i}";
 
-        private BatchGetResponse CreateInitialData()
+        private static BatchGetResponse CreateInitialData()
         {
             var initial = new BatchGetResponse()
             {
@@ -63,7 +63,7 @@
             return initial;
         }
 
-        private async Task<T> WriteAndReadBack<T>(T input) where T : TBase,new()
+        private static async Task<T> WriteAndReadBack<T>(T input) where T : TBase,new()
         {
             var stream = new MemoryStream();
             var config = new TConfiguration();
@@ -83,7 +83,7 @@
             return output;
         }
 
-        private void VerifyIdenticalContent(BatchGetResponse left, BatchGetResponse right)
+        private static void VerifyIdenticalContent(BatchGetResponse left, BatchGetResponse right)
         {
             // Errors
             Assert.IsNotNull(left.Errors);