Test for proper version file depending on env

Author: wtgodbe

src/Framework/test/SharedFxTests.cs

@@ -15,6 +15,7 @@ public class SharedFxTests
     {
         private readonly string _expectedTfm;
         private readonly string _expectedRid;
+        private readonly string _expectedVersionFileName;
         private readonly string _sharedFxRoot;
         private readonly ITestOutputHelper _output;
 
@@ -26,6 +27,7 @@ public SharedFxTests(ITestOutputHelper output)
             _sharedFxRoot = string.IsNullOrEmpty(Environment.GetEnvironmentVariable("ASPNET_RUNTIME_PATH"))
                 ? Path.Combine(TestData.GetTestDataValue("SharedFrameworkLayoutRoot"), "shared", TestData.GetTestDataValue("RuntimePackageVersion"))
                 : Environment.GetEnvironmentVariable("ASPNET_RUNTIME_PATH");
+            _expectedVersionFileName = string.IsNullOrEmpty(Environment.GetEnvironmentVariable("ASPNET_RUNTIME_PATH")) ? ".version" : "Microsoft.AspNetCore.App.versions.txt";
         }
 
         [Fact]
@@ -133,7 +135,7 @@ public void ItContainsValidDepsJson()
         [Fact]
         public void ItContainsVersionFile()
         {
-            var versionFile = Path.Combine(_sharedFxRoot, ".version");
+            var versionFile = Path.Combine(_sharedFxRoot, _expectedVersionFileName);
             AssertEx.FileExists(versionFile);
             var lines = File.ReadAllLines(versionFile);
             Assert.Equal(2, lines.Length);