feat: ignore mstest Assert.Fail & Assert.Inconclusive methods (#371)

Author: Meir017

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

@@ -8,6 +8,19 @@ namespace FluentAssertions.Analyzers.Tests.Tips
     [TestClass]
     public class MsTestTests
     {
+        [DataTestMethod]
+        [AssertionDiagnostic("Assert.Inconclusive({0});")]
+        [AssertionDiagnostic("Assert.Fail({0});")]
+        [Implemented]
+        public void MsTest_NotReportedAsserts_TestAnalyzer(string assertion)
+        {
+            DiagnosticVerifier.VerifyDiagnostic(new DiagnosticVerifierArguments()
+                .WithAllAnalyzers()
+                .WithSources(GenerateCode.MsTestAssertion(string.Empty, assertion))
+                .WithPackageReferences(PackageReference.FluentAssertions_6_12_0, PackageReference.MSTestTestFramework_3_1_1)
+            );
+        }
+
         [DataTestMethod]
         [AssertionDiagnostic("Assert.IsTrue(actual{0});")]
         [AssertionDiagnostic("Assert.IsTrue(bool.Parse(\"true\"){0});")]

src/FluentAssertions.Analyzers/Tips/AssertAnalyzer.cs

@@ -162,6 +162,8 @@ public void AnalyzeMsTestInvocation(OperationAnalysisContext context)
             var op = (IInvocationOperation)context.Operation;
             if (IsMsTestAssertClass(op.TargetMethod.ContainingType) && !IsMethodExcluded(context.Options, op))
             {
+                if (op.TargetMethod.Name is "Fail" or "Inconclusive" && op.TargetMethod.ContainingType.EqualsSymbol(_msTestsAssertSymbol))
+                    return;
                 context.ReportDiagnostic(Diagnostic.Create(MSTestsRule, op.Syntax.GetLocation()));
             }
         }