Fix IIS Express deployer for Win7

src/Microsoft.AspNetCore.Server.IntegrationTesting/Deployers/IISExpressDeployer.cs

@@ -99,7 +99,7 @@ namespace Microsoft.AspNetCore.Server.IntegrationTesting
                         ancmPath = Path.Combine(contentRoot, ancmFile);
                     }
 
-                    if (!File.Exists(ancmPath))
+                    if (!File.Exists(Environment.ExpandEnvironmentVariables(ancmPath)))
                     {
                         throw new FileNotFoundException("AspNetCoreModule could not be found.", ancmPath);
                     }

src/Microsoft.AspNetCore.Server.IntegrationTesting/project.json

@@ -37,6 +37,7 @@
       "type": "build",
       "version": "1.2.0-*"
     },
+    "Microsoft.NETCore.Windows.ApiSets": "1.0.1",
     "NETStandard.Library": "1.6.1-*"
   },
   "frameworks": {