Fixup

Author: pranavkm

src/Razor/Microsoft.NET.Sdk.Razor/integrationtests/BuildIncrementalismTest.cs

@@ -113,7 +113,6 @@ async Task VerifyError()
 
                 Assert.BuildFailed(result);
 
-                // This needs to be relative path. Tracked by https://github.com/aspnet/Razor/issues/2187.
                 var filePath = Path.Combine(Project.DirectoryPath, "Views", "Home", "Index.cshtml");
                 var location = filePath + "(1,2)";
                 if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))

src/Razor/Microsoft.NET.Sdk.Razor/integrationtests/BuildIntegrationTest.cs

@@ -96,7 +96,14 @@ public async Task Build_ErrorInGeneratedCode_ReportsMSBuildError()
             Assert.BuildFailed(result);
 
             // Verifying that the error correctly gets mapped to the original source
-            Assert.BuildError(result, "CS1503", location: Path.Combine(Project.DirectoryPath, "Views", "Home", "Index.cshtml") + "(1,27)");
+            var filePath = Path.Combine(Project.DirectoryPath, "Views", "Home", "Index.cshtml");
+            var location = filePath + "(1,27)";
+            if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
+            {
+                // Absolute paths on OSX don't work well.
+                location = null;
+            }
+            Assert.BuildError(result, "CS1503", location);
 
             // Compilation failed without creating the views assembly
             Assert.FileExists(result, IntermediateOutputPath, "SimpleMvc.dll");