Fix tests

Author: shirhatti

src/Hosting/Hosting/src/GenericHost/GenericWebHostedService.cs

@@ -25,6 +25,7 @@ public GenericWebHostService(IOptions<GenericWebHostServiceOptions> options,
                                      ILoggerFactory loggerFactory,
                                      DiagnosticListener diagnosticListener,
                                      ActivitySource activitySource,
+                                     TextMapPropagator propagator,
                                      IHttpContextFactory httpContextFactory,
                                      IApplicationBuilderFactory applicationBuilderFactory,
                                      IEnumerable<IStartupFilter> startupFilters,
@@ -37,6 +38,7 @@ public GenericWebHostService(IOptions<GenericWebHostServiceOptions> options,
             LifetimeLogger = loggerFactory.CreateLogger("Microsoft.Hosting.Lifetime");
             DiagnosticListener = diagnosticListener;
             ActivitySource = activitySource;
+            Propagator = propagator;
             HttpContextFactory = httpContextFactory;
             ApplicationBuilderFactory = applicationBuilderFactory;
             StartupFilters = startupFilters;
@@ -51,6 +53,7 @@ public GenericWebHostService(IOptions<GenericWebHostServiceOptions> options,
         public ILogger LifetimeLogger { get; }
         public DiagnosticListener DiagnosticListener { get; }
         public ActivitySource ActivitySource { get; }
+        public TextMapPropagator Propagator { get; }
         public IHttpContextFactory HttpContextFactory { get; }
         public IApplicationBuilderFactory ApplicationBuilderFactory { get; }
         public IEnumerable<IStartupFilter> StartupFilters { get; }
@@ -114,7 +117,7 @@ public async Task StartAsync(CancellationToken cancellationToken)
                 application = ErrorPageBuilder.BuildErrorPageApplication(HostingEnvironment.ContentRootFileProvider, Logger, showDetailedErrors, ex);
             }
 
-            var httpApplication = new HostingApplication(application, Logger, DiagnosticListener, ActivitySource, HttpContextFactory);
+            var httpApplication = new HostingApplication(application, Logger, DiagnosticListener, ActivitySource, Propagator, HttpContextFactory);
 
             await Server.StartAsync(httpApplication, cancellationToken);
 

src/Hosting/Hosting/test/HostingApplicationDiagnosticsTests.cs

@@ -552,6 +552,7 @@ private static HostingApplication CreateApplication(out FeatureCollection featur
                 logger ?? new NullScopeLogger(),
                 diagnosticListener ?? new NoopDiagnosticListener(),
                 activitySource ?? new ActivitySource("Microsoft.AspNetCore"),
+                TextMapPropagator.Default,
                 httpContextFactory.Object);
 
             return hostingApplication;

src/Hosting/Hosting/test/HostingApplicationTests.cs

@@ -194,6 +194,7 @@ private static HostingApplication CreateApplication(IHttpContextFactory httpCont
                 NullLogger.Instance,
                 new DiagnosticListener("Microsoft.AspNetCore"),
                 activitySource ?? new ActivitySource("Microsoft.AspNetCore"),
+                TextMapPropagator.Default,
                 httpContextFactory);
 
             return hostingApplication;