Improve coverage for SA1305 by adding test for a variable in a native methods class

Author: bjornhellander

StyleCop.Analyzers/StyleCop.Analyzers.Test/NamingRules/SA1305UnitTests.cs

@@ -62,6 +62,21 @@ public void TestMethod()
             await VerifyCSharpDiagnosticAsync(testCode, DiagnosticResult.EmptyDiagnosticResults, CancellationToken.None).ConfigureAwait(false);
         }
 
+        [Fact]
+        public async Task TestVariableNamesInNativeClassMethodAsync()
+        {
+            var testCode = @"
+public class TypeNameNativeMethods
+{
+    public void MethodName()
+    {
+        bool abX;
+    }
+}";
+
+            await VerifyCSharpDiagnosticAsync(testCode, DiagnosticResult.EmptyDiagnosticResults, CancellationToken.None).ConfigureAwait(false);
+        }
+
         [Fact]
         public async Task TestInvalidFieldNamesAreReportedAsync()
         {