diff --git a/test/E2ETests/Common/DeploymentUtility.cs b/test/E2ETests/Common/DeploymentUtility.cs
index e6d971b4bb..07e9bc074c 100644
--- a/test/E2ETests/Common/DeploymentUtility.cs
+++ b/test/E2ETests/Common/DeploymentUtility.cs
@@ -217,9 +217,23 @@ namespace E2ETests
                 CreateNoWindow = true
             };
 
+            // Work around for https://github.com/aspnet/dnx/issues/1515
+            string backup_Dnx_Packages = string.Empty;
+            if (startParameters.BundleWithNoSource)
+            {
+                backup_Dnx_Packages = Environment.GetEnvironmentVariable("DNX_PACKAGES");
+                Environment.SetEnvironmentVariable("DNX_PACKAGES", string.Empty);
+            }
+
             var hostProcess = Process.Start(startInfo);
             logger.LogInformation("Started iisexpress. Process Id : {processId}", hostProcess.Id);
 
+            if (startParameters.BundleWithNoSource)
+            {
+                // Roll back the change.
+                Environment.SetEnvironmentVariable("DNX_PACKAGES", backup_Dnx_Packages);
+            }
+
             return hostProcess;
         }
 
@@ -236,7 +250,22 @@ namespace E2ETests
                 CreateNoWindow = true
             };
 
+            // Work around for https://github.com/aspnet/dnx/issues/1515
+            string backup_Dnx_Packages = string.Empty;
+            if (startParameters.BundleWithNoSource)
+            {
+                backup_Dnx_Packages = Environment.GetEnvironmentVariable("DNX_PACKAGES");
+                Environment.SetEnvironmentVariable("DNX_PACKAGES", string.Empty);
+            }
+
             var hostProcess = Process.Start(startInfo);
+
+            if (startParameters.BundleWithNoSource)
+            {
+                // Roll back the change.
+                Environment.SetEnvironmentVariable("DNX_PACKAGES", backup_Dnx_Packages);
+            }
+
             //Sometimes reading MainModule returns null if called immediately after starting process.
             Thread.Sleep(1 * 1000);
 
@@ -252,7 +281,7 @@ namespace E2ETests
             }
             catch (Win32Exception win32Exception)
             {
-                logger.LogWarning("Cannot access 64 bit modules from a 32 bit process. Failed with following message.", win32Exception);
+                logger.LogWarning("Cannot access 64 bit modules from a 32 bit process. Failed with following message : {error}", win32Exception.Message);
             }
 
             return hostProcess;
diff --git a/test/E2ETests/PublishAndRunTests.cs b/test/E2ETests/PublishAndRunTests.cs
index b83c0d43b4..5c221b93fb 100644
--- a/test/E2ETests/PublishAndRunTests.cs
+++ b/test/E2ETests/PublishAndRunTests.cs
@@ -13,7 +13,7 @@ namespace E2ETests
         [ConditionalTheory, Trait("E2Etests", "E2Etests")]
         [FrameworkSkipCondition(RuntimeFrameworks.Mono)]
         [InlineData(ServerType.IISExpress, RuntimeFlavor.DesktopClr, RuntimeArchitecture.x86, "http://localhost:5001/", false)]
-        // [InlineData(ServerType.IISExpress, RuntimeFlavor.DesktopClr, RuntimeArchitecture.x86, "http://localhost:5001/", true)]
+        [InlineData(ServerType.IISExpress, RuntimeFlavor.CoreClr, RuntimeArchitecture.x86, "http://localhost:5001/", true)]
         public void Publish_And_Run_Tests_On_X86(ServerType serverType, RuntimeFlavor runtimeFlavor, RuntimeArchitecture architecture, string applicationBaseUrl, bool noSource)
         {
             Publish_And_Run_Tests(serverType, runtimeFlavor, architecture, applicationBaseUrl, noSource);
@@ -30,7 +30,7 @@ namespace E2ETests
 
         [ConditionalTheory, Trait("E2Etests", "E2Etests")]
         [FrameworkSkipCondition(RuntimeFrameworks.Mono)]
-        [InlineData(ServerType.WebListener, RuntimeFlavor.DesktopClr, RuntimeArchitecture.amd64, "http://localhost:5002/", false)]
+        [InlineData(ServerType.WebListener, RuntimeFlavor.DesktopClr, RuntimeArchitecture.amd64, "http://localhost:5002/", true)]
         //https://github.com/aspnet/KRuntime/issues/642
         //[InlineData(ServerType.Helios, RuntimeFlavor.CoreClr, RuntimeArchitecture.amd64, "http://localhost:5001/")]
         public void Publish_And_Run_Tests_On_AMD64(ServerType serverType, RuntimeFlavor runtimeFlavor, RuntimeArchitecture architecture, string applicationBaseUrl, bool noSource)