Fixing some tests wreaked by newline issues. Commenting out renderdoc code to get semantic segmentation tests to compile in players.

com.unity.perception/Tests/Runtime/GroundTruthTests/DatasetCaptureTests.cs

             AssertJsonFileEquals(annotationDefinitionsJsonExpected, annotationDefinitionsPath);
 
             FileAssert.Exists(capturesPath);
-            StringAssert.Contains(annotationsJsonExpected, EscapeGuids(File.ReadAllText(capturesPath)));
+            StringAssert.Contains(TestHelper.NormalizeJson(annotationsJsonExpected), EscapeGuids(File.ReadAllText(capturesPath)));
         }
 
         [Test]
             var capturesPath = Path.Combine(DatasetCapture.OutputDirectory, "captures_000.json");
 
             FileAssert.Exists(capturesPath);
-            StringAssert.Contains(expectedAnnotation, EscapeGuids(File.ReadAllText(capturesPath)));
+            StringAssert.Contains(TestHelper.NormalizeJson(expectedAnnotation), EscapeGuids(File.ReadAllText(capturesPath)));
         }
 
         [Test]

com.unity.perception/Tests/Runtime/GroundTruthTests/SegmentationGroundTruthTests.cs

 
             var cameraObject = SetupCameraSemanticSegmentation(a => OnSegmentationImageReceived(a.data), showVisualizations);
 
-            TestHelper.LoadAndStartRenderDocCapture(out var gameView);
+            //TestHelper.LoadAndStartRenderDocCapture(out var gameView);
             yield return null;
             var segLabeler = (SemanticSegmentationLabeler)cameraObject.GetComponent<PerceptionCamera>().labelers[0];
             var request = AsyncGPUReadback.Request(segLabeler.targetTexture, callback: r =>
             AsyncGPUReadback.WaitAllRequests();
 
-            RenderDoc.EndCaptureRenderDoc(gameView);
+            //RenderDoc.EndCaptureRenderDoc(gameView);
 
             //request.WaitForCompletion();
             Assert.IsTrue(request.done);