Revert test attribute for core only

Author: dsplaisted

test/Microsoft.NET.Build.Tests/GivenThatWeWantToGenerateADepsFileForATool.cs

@@ -17,10 +17,15 @@ public GivenThatWeWantToGenerateADepsFileForATool(ITestOutputHelper log) : base(
         {
         }
 
-        //  https://github.com/dotnet/sdk/issues/49665
-        [PlatformSpecificFact(TestPlatforms.Any & ~TestPlatforms.OSX)]
+        [CoreMSBuildOnlyFact]
         public void It_creates_a_deps_file_for_the_tool_and_the_tool_runs()
         {
+            if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
+            {
+                //  https://github.com/dotnet/sdk/issues/49665
+                return;
+            }
+
             TestProject toolProject = new()
             {
                 Name = "TestTool",
@@ -37,10 +42,15 @@ public void It_creates_a_deps_file_for_the_tool_and_the_tool_runs()
                 .And.HaveStdOutContaining("Hello World!");
         }
 
-        //  https://github.com/dotnet/sdk/issues/49665
-        [PlatformSpecificFact(TestPlatforms.Any & ~TestPlatforms.OSX)]
+        [CoreMSBuildOnlyFact]
         public void It_handles_conflicts_when_creating_a_tool_deps_file()
         {
+            if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
+            {
+                //  https://github.com/dotnet/sdk/issues/49665
+                return;
+            }
+
             TestProject toolProject = new()
             {
                 Name = "DependencyContextTool",