diff --git a/src/Adapter/MSTest.TestAdapter/Execution/ExceptionHelper.cs b/src/Adapter/MSTest.TestAdapter/Execution/ExceptionHelper.cs
index 0c36b4e56f..f4820a5be7 100644
--- a/src/Adapter/MSTest.TestAdapter/Execution/ExceptionHelper.cs
+++ b/src/Adapter/MSTest.TestAdapter/Execution/ExceptionHelper.cs
@@ -78,7 +78,6 @@ internal static class ExceptionHelper
                 result.AppendLine(Resource.UTA_EndOfInnerExceptionTrace);
             }
 
-            result.Append(' ');
             result.AppendLine(stackTraces.Pop());
 
             first = false;
diff --git a/test/UnitTests/MSTestAdapter.UnitTests/Execution/TestAssemblyInfoTests.cs b/test/UnitTests/MSTestAdapter.UnitTests/Execution/TestAssemblyInfoTests.cs
index fd22fa0d62..30c49fe9ae 100644
--- a/test/UnitTests/MSTestAdapter.UnitTests/Execution/TestAssemblyInfoTests.cs
+++ b/test/UnitTests/MSTestAdapter.UnitTests/Execution/TestAssemblyInfoTests.cs
@@ -183,7 +183,7 @@ public void RunAssemblyInitializeShouldThrowTestFailedExceptionWithNonAssertExce
             == "Assembly Initialization method Microsoft.VisualStudio.TestPlatform.MSTestAdapter.UnitTests.Execution.TestAssemblyInfoTests+DummyTestClass.AssemblyInitializeMethod threw exception. System.ArgumentException: Some actualErrorMessage message. Aborting test execution.");
         Verify(
             exception.StackTraceInformation.ErrorStackTrace.StartsWith(
-            "    at Microsoft.VisualStudio.TestPlatform.MSTestAdapter.UnitTests.Execution.TestAssemblyInfoTests.<>c.<RunAssemblyInitializeShouldThrowTestFailedExceptionWithNonAssertExceptions>", StringComparison.Ordinal));
+            "   at Microsoft.VisualStudio.TestPlatform.MSTestAdapter.UnitTests.Execution.TestAssemblyInfoTests.<>c.<RunAssemblyInitializeShouldThrowTestFailedExceptionWithNonAssertExceptions>", StringComparison.Ordinal));
         Verify(exception.InnerException.GetType() == typeof(ArgumentException));
         Verify(exception.InnerException.InnerException.GetType() == typeof(InvalidOperationException));
     }
@@ -205,7 +205,7 @@ public void RunAssemblyInitializeShouldThrowTheInnerMostExceptionWhenThereAreMul
             == "Assembly Initialization method Microsoft.VisualStudio.TestPlatform.MSTestAdapter.UnitTests.Execution.TestAssemblyInfoTests+DummyTestClass.AssemblyInitializeMethod threw exception. System.InvalidOperationException: I fail.. Aborting test execution.");
         Verify(
             exception.StackTraceInformation.ErrorStackTrace.StartsWith(
-            "    at Microsoft.VisualStudio.TestPlatform.MSTestAdapter.UnitTests.Execution.TestAssemblyInfoTests.FailingStaticHelper..cctor()", StringComparison.Ordinal));
+            "   at Microsoft.VisualStudio.TestPlatform.MSTestAdapter.UnitTests.Execution.TestAssemblyInfoTests.FailingStaticHelper..cctor()", StringComparison.Ordinal));
         Verify(exception.InnerException.GetType() == typeof(InvalidOperationException));
     }
 
@@ -282,7 +282,7 @@ public void RunAssemblyCleanupShouldReturnExceptionDetailsOfNonAssertExceptions(
         _testAssemblyInfo.AssemblyCleanupMethod = typeof(DummyTestClass).GetMethod("AssemblyCleanupMethod");
         Verify(
             _testAssemblyInfo.RunAssemblyCleanup().StartsWith(
-            "Assembly Cleanup method DummyTestClass.AssemblyCleanupMethod failed. Error Message: System.ArgumentException: Argument Exception. StackTrace:     at Microsoft.VisualStudio.TestPlatform.MSTestAdapter.UnitTests.Execution.TestAssemblyInfoTests.<>c.<RunAssemblyCleanupShouldReturnExceptionDetailsOfNonAssertExceptions>", StringComparison.Ordinal));
+            "Assembly Cleanup method DummyTestClass.AssemblyCleanupMethod failed. Error Message: System.ArgumentException: Argument Exception. StackTrace:    at Microsoft.VisualStudio.TestPlatform.MSTestAdapter.UnitTests.Execution.TestAssemblyInfoTests.<>c.<RunAssemblyCleanupShouldReturnExceptionDetailsOfNonAssertExceptions>", StringComparison.Ordinal));
     }
 
     public void RunAssemblyCleanupShouldThrowTheInnerMostExceptionWhenThereAreMultipleNestedTypeInitializationExceptions()
diff --git a/test/UnitTests/MSTestAdapter.UnitTests/Execution/TestClassInfoTests.cs b/test/UnitTests/MSTestAdapter.UnitTests/Execution/TestClassInfoTests.cs
index b338689b72..d377b96e13 100644
--- a/test/UnitTests/MSTestAdapter.UnitTests/Execution/TestClassInfoTests.cs
+++ b/test/UnitTests/MSTestAdapter.UnitTests/Execution/TestClassInfoTests.cs
@@ -342,7 +342,7 @@ public void RunClassInitializeShouldThrowTestFailedExceptionOnBaseInitializeMeth
             == "Class Initialization method Microsoft.VisualStudio.TestPlatform.MSTestAdapter.UnitTests.Execution.TestClassInfoTests+DummyTestClass.InitBaseClassMethod threw exception. System.ArgumentException: Some exception message.");
         Verify(
             exception.StackTraceInformation.ErrorStackTrace.StartsWith(
-            "    at Microsoft.VisualStudio.TestPlatform.MSTestAdapter.UnitTests.Execution.TestClassInfoTests.<>c.<RunClassInitializeShouldThrowTestFailedExceptionOnBaseInitializeMethodWithNonAssertExceptions>", StringComparison.Ordinal));
+            "   at Microsoft.VisualStudio.TestPlatform.MSTestAdapter.UnitTests.Execution.TestClassInfoTests.<>c.<RunClassInitializeShouldThrowTestFailedExceptionOnBaseInitializeMethodWithNonAssertExceptions>", StringComparison.Ordinal));
         Verify(exception.InnerException.GetType() == typeof(ArgumentException));
         Verify(exception.InnerException.InnerException.GetType() == typeof(InvalidOperationException));
     }
@@ -397,7 +397,7 @@ public void RunClassInitializeShouldThrowTestFailedExceptionWithNonAssertExcepti
             == "Class Initialization method Microsoft.VisualStudio.TestPlatform.MSTestAdapter.UnitTests.Execution.TestClassInfoTests+DummyTestClass.ClassInitializeMethod threw exception. System.ArgumentException: Argument exception.");
         Verify(
             exception.StackTraceInformation.ErrorStackTrace.StartsWith(
-            "    at Microsoft.VisualStudio.TestPlatform.MSTestAdapter.UnitTests.Execution.TestClassInfoTests.<>c.<RunClassInitializeShouldThrowTestFailedExceptionWithNonAssertExceptions>", StringComparison.Ordinal));
+            "   at Microsoft.VisualStudio.TestPlatform.MSTestAdapter.UnitTests.Execution.TestClassInfoTests.<>c.<RunClassInitializeShouldThrowTestFailedExceptionWithNonAssertExceptions>", StringComparison.Ordinal));
     }
 
     public void RunClassInitializeShouldThrowForAlreadyExecutedTestClassInitWithException()
@@ -438,7 +438,7 @@ public void RunClassInitializeShouldThrowTheInnerMostExceptionWhenThereAreMultip
             == "Class Initialization method Microsoft.VisualStudio.TestPlatform.MSTestAdapter.UnitTests.Execution.TestClassInfoTests+DummyTestClass.ClassInitializeMethod threw exception. System.InvalidOperationException: I fail..");
         Verify(
             exception.StackTraceInformation.ErrorStackTrace.StartsWith(
-            "    at Microsoft.VisualStudio.TestPlatform.MSTestAdapter.UnitTests.Execution.TestClassInfoTests.FailingStaticHelper..cctor()", StringComparison.Ordinal));
+            "   at Microsoft.VisualStudio.TestPlatform.MSTestAdapter.UnitTests.Execution.TestClassInfoTests.FailingStaticHelper..cctor()", StringComparison.Ordinal));
         Verify(exception.InnerException.GetType() == typeof(InvalidOperationException));
     }
 
diff --git a/test/UnitTests/MSTestAdapter.UnitTests/Execution/TestMethodInfoTests.cs b/test/UnitTests/MSTestAdapter.UnitTests/Execution/TestMethodInfoTests.cs
index a8c6540c7d..a2e6c569e4 100644
--- a/test/UnitTests/MSTestAdapter.UnitTests/Execution/TestMethodInfoTests.cs
+++ b/test/UnitTests/MSTestAdapter.UnitTests/Execution/TestMethodInfoTests.cs
@@ -285,7 +285,7 @@ public void TestMethodInfoInvokeShouldSetStackTraceInformationIfTestClassConstru
         Verify(exception.StackTraceInformation is not null);
         Verify(
             exception.StackTraceInformation.ErrorStackTrace.StartsWith(
-                "    at Microsoft.VisualStudio.TestPlatform.MSTestAdapter.UnitTests.Execution.TestMethodInfoTests.<>c.<TestMethodInfoInvokeShouldSetStackTraceInformationIfTestClassConstructorThrows>b__", StringComparison.Ordinal));
+                "   at Microsoft.VisualStudio.TestPlatform.MSTestAdapter.UnitTests.Execution.TestMethodInfoTests.<>c.<TestMethodInfoInvokeShouldSetStackTraceInformationIfTestClassConstructorThrows>b__", StringComparison.Ordinal));
     }
 
     public void TestMethodInfoInvokeShouldSetStackTraceInformationIfTestClassConstructorThrowsWithoutInnerException()
@@ -300,7 +300,7 @@ public void TestMethodInfoInvokeShouldSetStackTraceInformationIfTestClassConstru
         Verify(exception.StackTraceInformation is not null);
         Verify(
             exception.StackTraceInformation.ErrorStackTrace.StartsWith(
-            "    at System.Reflection.RuntimeConstructorInfo.Invoke(BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)", StringComparison.Ordinal));
+            "   at System.Reflection.RuntimeConstructorInfo.Invoke(BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)", StringComparison.Ordinal));
     }
 
     public void TestMethodInfoInvokeShouldSetResultFilesIfTestContextHasAttachments()
@@ -400,7 +400,7 @@ public void TestMethodInfoInvokeShouldSetStackTraceInformationIfSetTestContextTh
         Verify(exception.StackTraceInformation is not null);
         Verify(
             exception.StackTraceInformation.ErrorStackTrace.StartsWith(
-                "    at Microsoft.VisualStudio.TestPlatform.MSTestAdapter.UnitTests.Execution.TestMethodInfoTests.<>c.<TestMethodInfoInvokeShouldSetStackTraceInformationIfSetTestContextThrows>b__", StringComparison.Ordinal));
+                "   at Microsoft.VisualStudio.TestPlatform.MSTestAdapter.UnitTests.Execution.TestMethodInfoTests.<>c.<TestMethodInfoInvokeShouldSetStackTraceInformationIfSetTestContextThrows>b__", StringComparison.Ordinal));
     }
 
     public void TestMethodInfoInvoke_WhenCtorHasOneParameterOfTypeTestContextAndTestContextProperty_InitializeBothTestContexts()
@@ -514,7 +514,7 @@ public void TestMethodInfoInvokeWhenTestThrowsReturnsExpectedResult()
 
         Verify(
             exception.StackTraceInformation.ErrorStackTrace.StartsWith(
-            "    at Microsoft.VisualStudio.TestPlatform.MSTestAdapter.UnitTests.Execution.TestMethodInfoTests.<>c.<TestMethodInfoInvokeWhenTestThrowsReturnsExpectedResult>b__", StringComparison.Ordinal));
+            "   at Microsoft.VisualStudio.TestPlatform.MSTestAdapter.UnitTests.Execution.TestMethodInfoTests.<>c.<TestMethodInfoInvokeWhenTestThrowsReturnsExpectedResult>b__", StringComparison.Ordinal));
     }
 
     public void TestInitialize_WhenTestReturnsTaskFromException_DisplayProperException()
diff --git a/test/UnitTests/MSTestAdapter.UnitTests/Extensions/ExceptionExtensionsTests.cs b/test/UnitTests/MSTestAdapter.UnitTests/Extensions/ExceptionExtensionsTests.cs
index 4c37529ebf..4c8c4987c3 100644
--- a/test/UnitTests/MSTestAdapter.UnitTests/Extensions/ExceptionExtensionsTests.cs
+++ b/test/UnitTests/MSTestAdapter.UnitTests/Extensions/ExceptionExtensionsTests.cs
@@ -60,11 +60,11 @@ public void TryGetStackTraceInformationReturnsNullIfExceptionStackTraceIsNullOrE
 
     public void TryGetStackTraceInformationReturnsStackTraceForAnException()
     {
-        var exception = new DummyExceptionForStackTrace(() => "    at A()\r\n    at B()");
+        var exception = new DummyExceptionForStackTrace(() => "   at A()\r\n   at B()");
 
         MSTest.TestAdapter.ObjectModel.StackTraceInformation stackTraceInformation = exception.TryGetStackTraceInformation();
 
-        Verify(stackTraceInformation.ErrorStackTrace.StartsWith("    at A()", StringComparison.Ordinal));
+        Verify(stackTraceInformation.ErrorStackTrace.StartsWith("   at A()", StringComparison.Ordinal));
         Verify(stackTraceInformation.ErrorFilePath is null);
         Verify(stackTraceInformation.ErrorLineNumber == 0);
     }