fixed warning and error

Author: devjoes

DockerizedTesting.RabbitMQ/RabbitMqFixture.cs

@@ -68,11 +68,11 @@ protected override async Task<bool> IsContainerRunning(int[] ports)
 
                     }
                 }
-                return true;
+                return await Task.FromResult(true);
             }
             catch
             {
-                return false;
+                return await Task.FromResult(false);
             }
         }
 

Examples/ExampleProject/Program.cs

@@ -15,8 +15,8 @@ public static void Main(string[] args)
                     webBuilder.Configure(a =>
                     {
                         a.UseRouting();
-                        a.UseEndpoints(r => r.MapGet("/", 
-                            r => r.Response.WriteAsync("Hello world!")));
+                        a.UseEndpoints(r => r.MapGet("/", new RequestDelegate(
+                            c => c.Response.WriteAsync("Hello world!"))));
                     });
                 }).Build().Run();
         }