Move tests into common folder

Assets/Tests/GraphicsTests/Framework/Editor/TestFramework.cs

 		// path where the tests live
         private static readonly string[] s_Path =
         {
+            "AutomatedTests",
             "GraphicsTests",
             "RenderPipeline"
         };

Assets/Tests/RenderloopTests/Editor/CullResultsTest.cs

     [Test]
     public void TestReflectionProbes()
     {
-        UnityEditor.SceneManagement.EditorSceneManager.OpenScene("Assets/Editor/Tests/TestScene.unity");
+        UnityEditor.SceneManagement.EditorSceneManager.OpenScene("Assets/AutomatedTests/RenderloopTests/Editor/TestScene.unity");
         RenderLoopTestFixtureInstance.Run(InspectCullResults);
     }
 }

Assets/Tests.meta

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Assets/Tests/ShaderGeneratorTests/Editor.meta

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