Fix issue references in ConvertToLibraryImportAnalyzerTests (#89225)

Author: jkoritzinsky

src/libraries/System.Runtime.InteropServices/tests/LibraryImportGenerator.UnitTests/ConvertToLibraryImportAnalyzerTests.cs

@@ -34,8 +34,6 @@ public static IEnumerable<object[]> NoMarshallingRequiredTypes() => new[]
             new object[] { typeof(int*) },
             new object[] { typeof(bool*) },
             new object[] { typeof(char*) },
-            // See issue https://github.com/dotnet/runtime/issues/71891
-            // new object[] { typeof(delegate* <void>) },
             new object[] { typeof(IntPtr) },
             new object[] { typeof(ConsoleKey) }, // enum
         };
@@ -50,7 +48,6 @@ public static IEnumerable<object[]> UnsupportedTypes() => new[]
         [Theory]
         [MemberData(nameof(MarshallingRequiredTypes))]
         [MemberData(nameof(NoMarshallingRequiredTypes))]
-        [ActiveIssue("https://github.com/dotnet/runtime/issues/60909", typeof(PlatformDetection), nameof(PlatformDetection.IsArm64Process), nameof(PlatformDetection.IsWindows))]
         public async Task TypeRequiresMarshalling_ReportsDiagnostic(Type type)
         {
             string source = DllImportWithType(type.FullName!);
@@ -64,6 +61,20 @@ await VerifyCS.VerifyAnalyzerAsync(
                     .WithArguments("Method_Return"));
         }
 
+        [Fact]
+        public async Task FunctionPointer_ReportsDiagnostic()
+        {
+            string source = DllImportWithType("delegate* unmanaged<void>");
+            await VerifyCS.VerifyAnalyzerAsync(
+                source,
+                VerifyCS.Diagnostic(ConvertToLibraryImport)
+                    .WithLocation(0)
+                    .WithArguments("Method_Parameter"),
+                VerifyCS.Diagnostic(ConvertToLibraryImport)
+                    .WithLocation(1)
+                    .WithArguments("Method_Return"));
+        }
+
         [Theory]
         [MemberData(nameof(MarshallingRequiredTypes))]
         [MemberData(nameof(NoMarshallingRequiredTypes))]