add test cases (#220)

Author: Meir017

src/FluentAssertions.Analyzers.Tests/Tips/MsTestTests.cs

@@ -1,4 +1,4 @@
-using Microsoft.CodeAnalysis;
+using Microsoft.CodeAnalysis;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 using System;
 using System.Collections;
@@ -266,6 +266,7 @@ public void AssertIsNotNull_TestCodeFix(string oldAssertion, string newAssertion
         [AssertionDataTestMethod]
         [AssertionDiagnostic("Assert.IsInstanceOfType(actual, type{0});")]
         [AssertionDiagnostic("Assert.IsInstanceOfType(actual, typeof(string){0});")]
+        [AssertionDiagnostic("Assert.IsInstanceOfType<string>(actual{0});")]
         [Implemented]
         public void AssertIsInstanceOfType_TestAnalyzer(string assertion) => VerifyCSharpDiagnostic<AssertIsInstanceOfTypeAnalyzer>("object actual, Type type", assertion);
 
@@ -276,6 +277,9 @@ public void AssertIsNotNull_TestCodeFix(string oldAssertion, string newAssertion
         [AssertionCodeFix(
             oldAssertion: "Assert.IsInstanceOfType(actual, typeof(string){0});",
             newAssertion: "actual.Should().BeOfType<string>({0});")]
+        [AssertionCodeFix(
+            oldAssertion: "Assert.IsInstanceOfType<string>(actual{0});",
+            newAssertion: "actual.Should().BeOfType<string>({0});")]
         [Implemented]
         public void AssertIsInstanceOfType_TestCodeFix(string oldAssertion, string newAssertion)
             => VerifyCSharpFix<AssertIsInstanceOfTypeCodeFix, AssertIsInstanceOfTypeAnalyzer>("object actual, Type type", oldAssertion, newAssertion);