provide original nunit exploration when Standalone Nunit is selected (#1823)

Author: van800

resharper/resharper-unity/src/Rider/UnitTesting/UnityNUnitServiceProvider.cs

@@ -51,7 +51,7 @@ public UnityNUnitServiceProvider(ISolution solution,
 
         public override IUnitTestRunStrategy GetRunStrategy(IUnitTestElement element)
         {
-            return IsUnityUnitTestStrategy(myUnitySolutionTracker, myRdUnityModel, myEditorProtocol) ? myUnityEditorStrategy : base.GetRunStrategy(element);
+            return IsUnityUnitTestStrategy() ? myUnityEditorStrategy : base.GetRunStrategy(element);
         }
 
         public static bool IsUnityUnitTestStrategy(UnitySolutionTracker unitySolutionTracker, RdUnityModel rdUnityModel, UnityEditorProtocol editorProtocol)
@@ -63,5 +63,10 @@ public static bool IsUnityUnitTestStrategy(UnitySolutionTracker unitySolutionTra
             return !rdUnityModel.UnitTestPreference.HasValue() && editorProtocol.UnityModel.Value != null ||
                    (rdUnityModel.UnitTestPreference.HasValue() && rdUnityModel.UnitTestPreference.Value != UnitTestLaunchPreference.NUnit);
         }
+
+        public bool IsUnityUnitTestStrategy()
+        {
+            return IsUnityUnitTestStrategy(myUnitySolutionTracker, myRdUnityModel, myEditorProtocol);
+        }
     }
 }

resharper/resharper-unity/src/Rider/UnitTesting/UnityUnitTestProjectArtifactResolverCollaborator.cs

@@ -10,15 +10,17 @@ namespace JetBrains.ReSharper.Plugins.Unity.Rider.UnitTesting
     public class UnityUnitTestProjectArtifactResolverCollaborator : IUnitTestProjectArtifactResolverCollaborator
     {
         private readonly UnitySolutionTracker myUnitySolutionTracker;
+        private readonly UnityNUnitServiceProvider myServiceProvider;
 
-        public UnityUnitTestProjectArtifactResolverCollaborator(UnitySolutionTracker unitySolutionTracker)
+        public UnityUnitTestProjectArtifactResolverCollaborator(UnitySolutionTracker unitySolutionTracker, UnityNUnitServiceProvider serviceProvider)
         {
             myUnitySolutionTracker = unitySolutionTracker;
+            myServiceProvider = serviceProvider;
         }
 
         public bool CanResolveArtifact(IProject project, TargetFrameworkId targetFrameworkId)
         {
-            return myUnitySolutionTracker.IsUnityGeneratedProject.Maybe.Value;
+            return myUnitySolutionTracker.IsUnityGeneratedProject.Maybe.Value && myServiceProvider.IsUnityUnitTestStrategy();
         }
 
         public FileSystemPath ResolveArtifact(IProject project, TargetFrameworkId targetFrameworkId)