valid := err == nil
			if valid != tt.valid {
				t.Errorf("Expected valid=%v, got valid=%v for %v", tt.valid, valid, tt.service)
			}
		})
	}
}

func TestValidateExtensionProviderTracingZipkin(t *testing.T) {
	cases := []struct {
		name   string
		config *meshconfig.MeshConfig_ExtensionProvider_ZipkinTracingProvider
		valid  bool
	}{
		{
			name: "zipkin normal",