Create test assembly deffinition files, to avoid to have to "enable playmode test for all assemblies"

Tests/Scripts/GraphicTests/HDRenderPipeline/DebugViewController.cs

 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
-using UnityEditor;
 using UnityEngine.Experimental.Rendering;
 using UnityEngine.Experimental.Rendering.HDPipeline;
 

Tests/Scripts/GraphicTests/Framework/TestFrameworkTools.cs

 
             // find the reference image
             _dumpFileLocation = Path.Combine(templatePath, string.Format("{0}.{1}", _testInfo.templatePath, "png"));
-            Debug.Log("Template file at: " + _dumpFileLocation);
+            //Debug.Log("Template file at: " + _dumpFileLocation);
             if (!File.Exists(_dumpFileLocation))
             {
                 // no reference exists, create it

TestbedPipelines/com.unity.render-pipelines.testbed-pipelines.asmdef

+{
+    "name": "com.unity.render-pipelines.testbed-pipelines",
+    "references": [
+        "com.unity.render-pipelines.core.Runtime",
+        "com.unity.postprocessing.Runtime"
+    ],
+    "optionalUnityReferences": [],
+    "includePlatforms": [],
+    "excludePlatforms": []
+}

TestbedPipelines/com.unity.render-pipelines.testbed-pipelines.asmdef.meta

+fileFormatVersion: 2
+guid: 3989db5ff81f3474a87960a120963bc6
+AssemblyDefinitionImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Tests/GraphicsTests/RenderPipeline/HDRenderPipeline/Scenes/0xxx.meta

+fileFormatVersion: 2
+guid: 405d053465ae98342849302f26ddfee0
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Tests/Scripts.meta

+fileFormatVersion: 2
+guid: 50cbf7177ae70724986f89e365308d06
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Tests/Scripts/Editor/GraphicTests.meta

+fileFormatVersion: 2
+guid: 79f7c58d1153c934abc6478abf3fd7da
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Tests/Scripts/Editor/GraphicTests/Framework.meta

+fileFormatVersion: 2
+guid: 794d7c3c7fd69284bb4642a52364aa06
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Tests/Scripts/Editor/GraphicTests/HDRenderPipeline.meta

+fileFormatVersion: 2
+guid: 60b2f9f88b7700d4682bb795945381ab
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Tests/Scripts/Editor/GraphicTests/LWPipeline.meta

+fileFormatVersion: 2
+guid: d70cd543e4cc76f469299496cd70a392
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Tests/Scripts/Editor/GraphicTests/LWPipeline/040_UpgradeScene.meta

+fileFormatVersion: 2
+guid: 44dee5c88c3691a4682e747648d65c75
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Tests/Scripts/Editor/GraphicTests/HDRenderPipeline/PlayModeTest.meta

+fileFormatVersion: 2
+guid: 844a96e51026b124fbb6b63d1a080223
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Tests/Scripts/Editor/Renderloop.meta

+fileFormatVersion: 2
+guid: 9f616a5dc14c31c4ab4f51ef213335dc
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Tests/Scripts/Editor/ShaderGenerator.meta

+fileFormatVersion: 2
+guid: c63bac83b3edaeb49a4a9dbc1bb1fb17
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Tests/Scripts/Editor/Tests_Editor.asmdef

+{
+    "name": "Tests_Editor",
+    "references": [
+        "com.unity.postprocessing.Editor",
+        "com.unity.render-pipelines.core.Editor",
+        "com.unity.render-pipelines.high-defintion.Editor",
+        "com.unity.render-pipelines.lightweight.Editor",
+        "GraphicTests",
+        "com.unity.render-pipelines.testbed-pipelines",
+        "com.unity.postprocessing.Runtime",
+        "com.unity.render-pipelines.core.IncludePaths",
+        "com.unity.render-pipelines.core.Runtime",
+        "com.unity.render-pipelines.high-definition.Runtime",
+        "com.unity.render-pipelines.lightweight.Runtime"
+    ],
+    "optionalUnityReferences": [
+        "TestAssemblies"
+    ],
+    "includePlatforms": [
+        "Editor"
+    ],
+    "excludePlatforms": []
+}

Tests/Scripts/Editor/Tests_Editor.asmdef.meta

+fileFormatVersion: 2
+guid: fd6a7dd19f43a2f43a5812a95337d362
+AssemblyDefinitionImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Tests/Scripts/GraphicTests.meta

+fileFormatVersion: 2
+guid: 9a30f956a569b9c44af8f2014bf87431
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Tests/Scripts/GraphicTests/Framework.meta

+fileFormatVersion: 2
+guid: a7780309944b725409a6549ed497af5c
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Tests/Scripts/GraphicTests/HDRenderPipeline.meta

+fileFormatVersion: 2
+guid: bc1bb683fc523b64db50561762ca88cc
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Tests/Scripts/GraphicTests/LWPipeline.meta

+fileFormatVersion: 2
+guid: 0e4e63574bfef7d429c7dfcd86ac67b9
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Tests/Scripts/GraphicTests/LWPipeline/040_UpgradeScene.meta

+fileFormatVersion: 2
+guid: a591cf378026b6c4587fc3d112cf7c82
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Tests/Scripts/Tests.asmdef

+{
+    "name": "GraphicTests",
+    "references": [
+        "com.unity.postprocessing.Runtime",
+        "com.unity.render-pipelines.core.IncludePaths",
+        "com.unity.render-pipelines.core.Runtime",
+        "com.unity.render-pipelines.high-definition.Runtime",
+        "com.unity.render-pipelines.lightweight.Runtime",
+        "com.unity.render-pipelines.testbed-pipelines"
+    ],
+    "optionalUnityReferences": [
+        "TestAssemblies"
+    ],
+    "includePlatforms": [],
+    "excludePlatforms": []
+}

Tests/Scripts/Tests.asmdef.meta

+fileFormatVersion: 2
+guid: 37c11afcd5a750d4898a61f92349c799
+AssemblyDefinitionImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Tests/GraphicsTests/RenderPipeline/HDRenderPipeline/CommonAssets/Scripts.meta

-fileFormatVersion: 2
-guid: c1f6eaf19a5d40045818530f57b09da5
-folderAsset: yes
-timeCreated: 1508430589
-licenseType: Pro
-DefaultImporter:
-  externalObjects: {}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

Tests/GraphicsTests/RenderPipeline/HDRenderPipeline/PlayModeTest/Editor.meta

-fileFormatVersion: 2
-guid: 1c7686394fee09b40985a1ac79a63c28
-folderAsset: yes
-DefaultImporter:
-  externalObjects: {}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

Tests/GraphicsTests/RenderPipeline/LightweightPipeline/Scenes/040_UpgradeScene/Scripts.meta

-fileFormatVersion: 2
-guid: 2c9ce194a1bfc4733b75593a1f4ced22
-folderAsset: yes
-timeCreated: 1509466927
-licenseType: Pro
-DefaultImporter:
-  externalObjects: {}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

Tests/GraphicsTests/Framework.meta

-fileFormatVersion: 2
-guid: 8305d4811b3aa624ea663e2d7841e470
-folderAsset: yes
-timeCreated: 1495206710
-licenseType: Pro
-DefaultImporter:
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

Tests/Scripts/GraphicTests/HDRenderPipeline/Editor.meta

-fileFormatVersion: 2
-guid: 129562301394edd45a199c538cda6f8f
-folderAsset: yes
-timeCreated: 1508490326
-licenseType: Pro
-DefaultImporter:
-  externalObjects: {}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

Tests/Scripts/GraphicTests/Framework/Editor.meta

-fileFormatVersion: 2
-guid: ac919a67e7c764f70a75900c12043d9b
-folderAsset: yes
-timeCreated: 1493134265
-licenseType: Pro
-DefaultImporter:
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: