public void CollectionPropertiesShouldBeReadOnly() =>
 Verifier.VerifyAnalyzer(@"TestCases\CollectionPropertiesShouldBeReadOnly.cs",
                         new CollectionPropertiesShouldBeReadOnly(),
                         additionalReferences: MetadataReferenceFacade.GetSystemRuntimeSerialization());
 public void CollectionPropertiesShouldBeReadOnly_CSharp9() =>
 Verifier.VerifyAnalyzerFromCSharp9Console(@"TestCases\CollectionPropertiesShouldBeReadOnly.CSharp9.cs",
                                           new CollectionPropertiesShouldBeReadOnly(),
                                           MetadataReferenceFacade.GetSystemRuntimeSerialization());