diff --git a/tests/Gigya.Microdot.UnitTests/ServiceProxyTests/JsonExceptionSerializerTests.cs b/tests/Gigya.Microdot.UnitTests/ServiceProxyTests/JsonExceptionSerializerTests.cs
index e4fa97fd..7b1b17fe 100644
--- a/tests/Gigya.Microdot.UnitTests/ServiceProxyTests/JsonExceptionSerializerTests.cs
+++ b/tests/Gigya.Microdot.UnitTests/ServiceProxyTests/JsonExceptionSerializerTests.cs
@@ -176,6 +176,7 @@ public void InnerException_RoundTrip_AllStackTracesCleaned()
         
         
         [Test]
+        [NonParallelizable]
         public async Task TryParseExceptionJsonFromNetCoreOriginWithConfigOn()
         {
             
@@ -186,7 +187,7 @@ await ChangeConfig<StackTraceEnhancerSettings>(new[]
                 new KeyValuePair<string, string>("Microdot.ExceptionSerialization.UseNetCoreToFrameworkNameTranslation",
                     "true")
             });
-            
+
             string strResourceName = "Gigya.Microdot.UnitTests.ServiceProxyTests.ExceptionFromNetCore.json";
 
             string netCoreExceptionJson = null;
@@ -221,6 +222,7 @@ await ChangeConfig<StackTraceEnhancerSettings>(new[]
         
          
         [Test]
+        [NonParallelizable]
         public async Task TryParseExceptionJsonFromNetCoreOriginWithConfigOff()
         {
             await ChangeConfig<StackTraceEnhancerSettings>(new[]