Fix unit test

Author: dellis1972

src/Xamarin.Android.Build.Tasks/Tests/Xamarin.Android.Build.Tests/Utilities/BaseTest.cs

@@ -553,24 +553,6 @@ protected string GetPathToAapt ()
 			return GetPathToLatestBuildTools (exe);
 		}
 
-		protected string GetResourceDesignerPath (DotNetCLI builder, XASdkProject project, bool designtime = false)
-		{
-			string path;
-			if (Builder.UseDotNet) {
-				path = Path.Combine (Root, builder.ProjectDirectory, project.IntermediateOutputPath);
-				if (string.Compare (project.GetProperty ("AndroidUseDesignerAssembly"), "True", ignoreCase: true) == 0) {
-					return Path.Combine (path, "_Microsoft.Android.Resource.Designer.dll");
-				}
-				if (designtime)
-					path = Path.Combine (Root, builder.ProjectDirectory, project.IntermediateOutputPath);
-			} else {
-				path = Path.Combine (Root, builder.ProjectDirectory, "Resources");
-				if (designtime)
-					path = Path.Combine (Root, builder.ProjectDirectory, project.IntermediateOutputPath);
-			}
-			return Path.Combine (path, "Resource.designer" + project.Language.DefaultDesignerExtension);
-		}
-
 		protected string GetResourceDesignerPath (ProjectBuilder builder, XamarinAndroidProject project, bool designtime = false)
 		{
 			string path;

src/Xamarin.Android.Build.Tasks/Tests/Xamarin.Android.Build.Tests/XASdkTests.cs

@@ -522,12 +522,16 @@ public void GenerateResourceDesigner_false([Values (false, true)] bool useDesign
 			var dotnet = CreateDotNetBuilder (proj);
 			Assert.IsTrue (dotnet.Build(target: "CoreCompile", parameters: new string[] { "BuildingInsideVisualStudio=true" }), "Designtime build should succeed.");
 			var intermediate = Path.Combine (FullProjectDirectory, proj.IntermediateOutputPath);
-			var resource_designer_cs = GetResourceDesignerPath (dotnet, proj, designtime: true);
+			var resource_designer_cs = Path.Combine (intermediate, "designtime",  "Resource.designer.cs");
+			if (useDesignerAssembly)
+				resource_designer_cs = Path.Combine (intermediate, "__Microsoft.Android.Resource.Designer.cs");
 			FileAssert.DoesNotExist (resource_designer_cs);
 
 			Assert.IsTrue (dotnet.Build (), "build should succeed");
 
-			resource_designer_cs =  GetResourceDesignerPath (dotnet, proj);
+			resource_designer_cs =  Path.Combine (intermediate, "Resource.designer.cs");
+			if (useDesignerAssembly)
+				resource_designer_cs = Path.Combine (intermediate, "__Microsoft.Android.Resource.Designer.cs");
 			FileAssert.DoesNotExist (resource_designer_cs);
 
 			var assemblyPath = Path.Combine (FullProjectDirectory, proj.OutputPath, $"{proj.ProjectName}.dll");