Adding proper disposal to test fixture

Author: mathewc

test/WebJobs.Script.Tests.Integration/ApplicationInsights/ApplicationInsightsTestFixture.cs

@@ -16,10 +16,11 @@
 
 namespace Microsoft.Azure.WebJobs.Script.Tests.ApplicationInsights
 {
-    public abstract class ApplicationInsightsTestFixture
+    public abstract class ApplicationInsightsTestFixture : IDisposable
     {
         private readonly ScriptSettingsManager _settingsManager;
         private readonly HttpConfiguration _config = new HttpConfiguration();
+        private readonly HttpServer _httpServer;
 
         public ApplicationInsightsTestFixture(string scriptRoot, string testId)
         {
@@ -43,8 +44,8 @@ public ApplicationInsightsTestFixture(string scriptRoot, string testId)
 
             InitializeConfig(hostConfig);
 
-            var httpServer = new HttpServer(_config);
-            HttpClient = new HttpClient(httpServer)
+            _httpServer = new HttpServer(_config);
+            HttpClient = new HttpClient(_httpServer)
             {
                 BaseAddress = new Uri("https://localhost/")
             };
@@ -70,6 +71,12 @@ protected void InitializeConfig(ScriptHostConfiguration config)
             };
         }
 
+        public void Dispose()
+        {
+            _httpServer?.Dispose();
+            HttpClient?.Dispose();
+        }
+
         private class TestLoggerFactoryBuilder : DefaultLoggerFactoryBuilder
         {
             private readonly TestTelemetryChannel _channel;