Updated custom testframework build file to account for new path and to only allow iOS build on Mac OSX

Assets/GraphicsTests/Framework/Editor/TestFrameworkCustomBuild.cs

-using System.IO;
-using UnityEditor;
-	public class TestFrameworkCustomBuild
-	{
-		private static readonly string s_TestSceneFolder = "/GraphicsTests/Scenes";
-		private static readonly string s_BuildFolder = "/TestScenesBuild";
+    public class TestFrameworkCustomBuild
+    {
+        private static readonly string s_TestSceneFolder = "/GraphicsTests/RenderPipeline/LowEndMobilePipeline/Scenes";
+        private static readonly string s_BuildFolder = "/TestScenesBuild";
+
+        [MenuItem("RenderPipeline/TestFramework/Build-iOS")]
+        public static void BuildiOS()
+        {
+            TestFrameworkCustomBuild builder = new TestFrameworkCustomBuild();
+            builder.Build(BuildTarget.iOS, BuildOptions.AcceptExternalModificationsToPlayer);
+        }
+
+        [MenuItem("RenderPipeline/TestFramework/Build-iOS", true)]
+
+        public static bool ValidateBuildiOS()
+        {
+#if UNITY_STANDALONE_OSX
+            return true;
+#else
+            return false;
+#endif
+        }
+
+        public void Build(BuildTarget target, BuildOptions options)
+        {
+            var absoluteScenesPath = Application.dataPath + s_TestSceneFolder;
+            string[] levels = System.IO.Directory.GetFiles(absoluteScenesPath, "*.unity", System.IO.SearchOption.AllDirectories);
+            CheckAndAddGotoNextSceneBehavior(levels);
-		[MenuItem("RenderPipeline/TestFramework/Build-iOS")]
-		public static void BuildiOS()
-		{
-			TestFrameworkCustomBuild builder = new TestFrameworkCustomBuild();
-			builder.Build(BuildTarget.iOS, BuildOptions.AcceptExternalModificationsToPlayer);
-		}
+            string savePath = EditorUtility.SaveFolderPanel("Select folder to save project", "", "");
+            BuildPipeline.BuildPlayer(levels, savePath + s_BuildFolder, target, options);
+        }
-		public void Build(BuildTarget target, BuildOptions options)
-		{
-			var absoluteScenesPath = Application.dataPath + s_TestSceneFolder;
-			string[] levels = System.IO.Directory.GetFiles(absoluteScenesPath, "*.unity", System.IO.SearchOption.AllDirectories);
-			CheckAndAddGotoNextSceneBehavior(levels);
+        private void CheckAndAddGotoNextSceneBehavior(string[] levels)
+        {
+            for (int i = 0; i < levels.Length; ++i)
+            {
+                string levelPath = levels[i];
+                var scene = EditorSceneManager.OpenScene(levelPath);
+                GameObject[] objects = scene.GetRootGameObjects();
+                bool componentFound = false;
-			string savePath = EditorUtility.SaveFolderPanel("Select folder to save project", "", "");
-			BuildPipeline.BuildPlayer(levels, savePath + s_BuildFolder, target, options);
-		}
+                foreach (GameObject go in objects)
+                {
+                    GotoNextScene component = go.GetComponent<GotoNextScene>();
+                    if (component != null)
+                    {
+                        component.m_NextSceneIndex = (i + 1) % levels.Length;
+                        componentFound = true;
+                        break;
+                    }
+                }
-		private void CheckAndAddGotoNextSceneBehavior(string[] levels)
-		{
-			for (int i = 0; i < levels.Length; ++i)
-			{
-				string levelPath = levels[i];
-				var scene = EditorSceneManager.OpenScene(levelPath);
-				GameObject[] objects = scene.GetRootGameObjects();
-				bool componentFound = false;
+                if (!componentFound)
+                {
+                    GameObject gotoNextScene = new GameObject("GotoNextScene");
+                    GotoNextScene component = gotoNextScene.AddComponent<GotoNextScene>();
+                    component.m_NextSceneIndex = (i + 1) % levels.Length;
+                }
-				foreach (GameObject go in objects)
-				{
-					GotoNextScene component = go.GetComponent<GotoNextScene>();
-					if (component != null)
-					{
-						component.m_NextSceneIndex = (i + 1) % levels.Length;
-						componentFound = true;
-						break;
-					}
-				}
-				
-				if (!componentFound)
-				{
-					GameObject gotoNextScene = new GameObject("GotoNextScene");
-					GotoNextScene component = gotoNextScene.AddComponent<GotoNextScene>();
-					component.m_NextSceneIndex = (i + 1) % levels.Length;
-				}
-				
-				EditorSceneManager.SaveScene(scene);
-				EditorSceneManager.UnloadSceneAsync(scene);
-			}
-		}
-	}
-}
+                EditorSceneManager.SaveScene(scene);
+                EditorSceneManager.UnloadSceneAsync(scene);
+            }
+        }
+    }
+}