fixing tests after bad merge during rebase

Author: JunTaoLuo

test/Microsoft.AspNet.Hosting.Tests/WebHostBuilderTests.cs

@@ -71,17 +71,20 @@ public async Task StartupCtorThrows_Fallback()
             var engine = builder.UseServer(server).UseStartup<StartupCtorThrows>().Build();
             using (engine.Start())
             {
-                await AssertResponseContains(server.RequestDelegate            using (engine.Start())
-            {
-                await AssertResponseContains(serverFactory.Application, "Exception from constructor");
+                await AssertResponseContains(server.RequestDelegate, "Exception from constructor");
             }
         }
-  [Fact]  public async Task IApplicationLifetimeRegisteredEvenWhenStartupCtorThrows_Fallback()
-        {      var builder = CreateWebHostBuilder();
-            var serverFactory = new TestServerFactory();Delegate
-            var engine = builder.UseServer(serverFactory).UseStartup<StartupCtorThrows>().Build();            using (engine.Start())erver.RequestLD            {      var service = engine.ApplicationServices.GetServicse<IApplicationLifetime>();
+
+        [Fact]  public async Task IApplicationLifetimeRegisteredEvenWhenStartupCtorThrows_Fallback()
+        {
+            var builder = CreateWebHostBuilder();
+            var server = new TestServer();
+            var engine = builder.UseServer(server).UseStartup<StartupCtorThrows>().Build();
+            using (engine.Start())
+            {
+                var service = engine.ApplicationServices.GetServices<IApplicationLifetime>();
                 Assert.NotNull(service);
-                await AssertResponseContains(application, "Exception from constructor");
+                await AssertResponseContains(server.RequestDelegate, "Exception from constructor");
             }
         }