Handle DI changes in tests.

Author: Tratcher

test/Microsoft.AspNet.StaticFiles.Tests/DirectoryBrowserMiddlewareTests.cs

@@ -19,7 +19,7 @@ public class DirectoryBrowserMiddlewareTests
         [Fact]
         public async Task NullArguments()
         {
-            Assert.Throws<TargetInvocationException>(() => TestServer.Create(app => app.UseDirectoryBrowser(new DirectoryBrowserOptions() { Formatter = null })));
+            Assert.Throws<ArgumentException>(() => TestServer.Create(app => app.UseDirectoryBrowser(new DirectoryBrowserOptions() { Formatter = null })));
 
             // No exception, default provided
             TestServer.Create(app => app.UseDirectoryBrowser(new DirectoryBrowserOptions() { FileSystem = null }));

test/Microsoft.AspNet.StaticFiles.Tests/StaticFileMiddlewareTests.cs

@@ -19,7 +19,7 @@ public class StaticFileMiddlewareTests
         [Fact]
         public async Task NullArguments()
         {
-            Assert.Throws<TargetInvocationException>(() => TestServer.Create(app => app.UseStaticFiles(new StaticFileOptions() { ContentTypeProvider = null })));
+            Assert.Throws<ArgumentException>(() => TestServer.Create(app => app.UseStaticFiles(new StaticFileOptions() { ContentTypeProvider = null })));
 
             // No exception, default provided
             TestServer.Create(app => app.UseStaticFiles(new StaticFileOptions() { FileSystem = null }));