Fixing flaky test

Author: mathewc

src/WebJobs.Script/Description/CSharp/CSharpFunctionSignature.cs

@@ -111,7 +111,7 @@ public override bool Equals(object obj)
 
         public override int GetHashCode()
         {
-            return string.Join("<>", _parameters.Select(p=>GetParameterIdentityString(p)))
+            return string.Join("<>", _parameters.Select(p => GetParameterIdentityString(p)))
                 .GetHashCode();
         }
 

test/WebJobs.Script.Tests/SamplesEndToEndTests.cs

@@ -90,9 +90,27 @@ public TestFixture()
                 HttpServer server = new HttpServer(config);
                 this.Client = new HttpClient(server);
                 this.Client.BaseAddress = new Uri("https://localhost/");
+
+                WaitForHost();
             }
 
             public HttpClient Client { get; set; }
+
+            private void WaitForHost()
+            {
+                TestHelpers.Await(() =>
+                {
+                    return IsHostRunning();
+                }).Wait();
+            }
+
+            private bool IsHostRunning()
+            {
+                HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Get, string.Empty);
+
+                HttpResponseMessage response = this.Client.SendAsync(request).Result;
+                return response.StatusCode == HttpStatusCode.NoContent;
+            }
         }
     }
 }