Fix some code smells (#39)

* Fix some code smells

* Fix build

* Fix come issues

* Revert some changes

tests/mcpdotnet.Tests/ClientIntegrationTestFixture.cs

@@ -47,5 +47,6 @@ public class ClientIntegrationTestFixture : IDisposable
     public void Dispose()
     {
         LoggerFactory?.Dispose();
+        GC.SuppressFinalize(this);
     }
 }

tests/mcpdotnet.Tests/EverythingSseServerFixture.cs

@@ -60,7 +60,9 @@ public class EverythingSseServerFixture : IAsyncDisposable
         catch (Exception ex)
         {
             // Log the exception but don't throw
-            Console.Error.WriteLine($"Error stopping Docker container: {ex.Message}");
+            await Console.Error.WriteLineAsync($"Error stopping Docker container: {ex.Message}");
         }
+
+        GC.SuppressFinalize(this);
     }
 }

tests/mcpdotnet.Tests/McpServerBuilderExtensionsToolsTests.cs

@@ -153,10 +153,13 @@ public class McpServerBuilderExtensionsToolsTests
     {
         public EchoToolWithDi(IDependendService service)
         {
+
         }
 
         [McpTool, Description("Echoes the input back to the client.")]
+#pragma warning disable CA1822 // Mark members as static
         public Task<string> Echo(string message)
+#pragma warning restore CA1822 // Mark members as static
         {
             return Task.FromResult("hello " + message);
         }

tests/mcpdotnet.Tests/ServerIntegrationTestFixture.cs

@@ -52,5 +52,6 @@ public class ServerIntegrationTestFixture : IDisposable
         var client = Factory.GetClientAsync("test_server").Result;
         client.DisposeAsync().AsTask().Wait();
         LoggerFactory?.Dispose();
+        GC.SuppressFinalize(this);
     }
 }