Split test script between editor and runtime folders

Assets/Scripts/UnityGFXTests/Runtime/BoatAttackGraphicsTests.cs

 using UnityEngine.TestTools;
 using UnityEngine.TestTools.Graphics;
 using UnityEngine.SceneManagement;
-#if UNITY_EDITOR
-using UnityEditor;
-using UnityEditor.TestTools.Graphics;
-#endif
-public class BoatAttackGraphicsTests : IPrebuildSetup, IPostBuildCleanup
+public class BoatAttackGraphicsTests
-    private const string DefineKey = "BoatAttack_Tests_ScriptingDefines";
-    private static float _oldTimeScale = 1.0f; // give default of 1 just in case
-
-#if UNITY_EDITOR
-    public void Setup()
-    {
-        // save current scription defines and set both STATIC_EVERYTHING and LWRP_DEBUG_STATIC_POSTFX
-        var defines = PlayerSettings.GetScriptingDefineSymbolsForGroup(EditorUserBuildSettings.selectedBuildTargetGroup);
-        EditorPrefs.SetString(DefineKey, defines);
-        PlayerSettings.SetScriptingDefineSymbolsForGroup(EditorUserBuildSettings.selectedBuildTargetGroup, "STATIC_EVERYTHING;LWRP_DEBUG_STATIC_POSTFX");
-        // store current timescale and set it to 0
-        _oldTimeScale = Time.timeScale;
-        Time.timeScale = 0f;
-        // run base graphics test setup
-        SetupGraphicsTestCases.Setup();
-    }
-#endif
 
     [UnityTest, Category("BoatAttack")]
     [UseGraphicsTestCases]
     [TearDown]
     public void DumpImagesInEditor()
     {
-        ResultsUtility.ExtractImagesFromTestProperties(TestContext.CurrentContext.Test);
-    }
-    
-    public void Cleanup()
-    {
-        EditorApplication.delayCall += FinalCall;
-        Time.timeScale = _oldTimeScale;
-        Shader.DisableKeyword("_STATIC_SHADER");
-    }
-
-    private static void FinalCall()
-    {
-        PlayerSettings.SetScriptingDefineSymbolsForGroup(EditorUserBuildSettings.selectedBuildTargetGroup, EditorPrefs.GetString(DefineKey));
-        EditorPrefs.DeleteKey(DefineKey);
+        UnityEditor.TestTools.Graphics.ResultsUtility.ExtractImagesFromTestProperties(TestContext.CurrentContext.Test);
     }
 #endif
 }

Assets/Scripts/UnityGFXTests/Runtime/BoatAttackGraphicsTests.cs.meta

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     "includePlatforms": [],
     "excludePlatforms": [],
         "nunit.framework.dll"
     ],
-    "autoReferenced": true,
+    "autoReferenced": false,
     "defineConstraints": [
         "UNITY_INCLUDE_TESTS"
     ],

Assets/Scripts/UnityGFXTests/Runtime/UnityGFXTests.BoatAttack.asmdef.meta

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Assets/Scripts/UnityGFXTests/Editor/BoatAttackGraphicsTestsEditor.cs

+using System.Collections;
+using NUnit.Framework;
+using UnityEngine;
+using UnityEngine.TestTools;
+using UnityEngine.TestTools.Graphics;
+using UnityEngine.SceneManagement;
+using UnityEditor;
+using UnityEditor.TestTools.Graphics;
+
+public class BoatAttackGraphicsTestsEditor : IPrebuildSetup, IPostBuildCleanup
+{
+    private const string DefineKey = "BoatAttack_Tests_ScriptingDefines";
+    private static float _oldTimeScale = 1.0f; // give default of 1 just in case
+
+    public void Setup()
+    {
+        // save current scription defines and set both STATIC_EVERYTHING and LWRP_DEBUG_STATIC_POSTFX
+        var defines = PlayerSettings.GetScriptingDefineSymbolsForGroup(EditorUserBuildSettings.selectedBuildTargetGroup);
+        EditorPrefs.SetString(DefineKey, defines);
+        PlayerSettings.SetScriptingDefineSymbolsForGroup(EditorUserBuildSettings.selectedBuildTargetGroup, "STATIC_EVERYTHING;LWRP_DEBUG_STATIC_POSTFX");
+        // store current timescale and set it to 0
+        _oldTimeScale = Time.timeScale;
+        Time.timeScale = 0f;
+        // run base graphics test setup
+        SetupGraphicsTestCases.Setup();
+    }
+
+    
+    public void Cleanup()
+    {
+        EditorApplication.delayCall += FinalCall;
+        Time.timeScale = _oldTimeScale;
+        Shader.DisableKeyword("_STATIC_SHADER");
+    }
+
+    private static void FinalCall()
+    {
+        PlayerSettings.SetScriptingDefineSymbolsForGroup(EditorUserBuildSettings.selectedBuildTargetGroup, EditorPrefs.GetString(DefineKey));
+        EditorPrefs.DeleteKey(DefineKey);
+    }
+}

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