return func(t framework.TestContext) {
					if len(policy) > 0 {
						// Apply the policy for all targets.
						config.New(t).
							Source(config.File(policy).WithParams(param.Params{
								"JWTServer": jwtServer,
							})).
							BuildAll(nil, apps.Ns1.All).
							Apply()
					}

					newTrafficTest(t, apps.Ns1.All.Instances()).Run(func(t framework.TestContext, from echo.Instance, to echo.Target) {