config.New(t).
				Source(config.File("testdata/authz/mtls.yaml.tmpl")).
				Source(config.File("testdata/authz/allow-principal.yaml.tmpl").WithParams(
					param.Params{
						"Allowed": allowed,
					})).
				BuildAll(nil, to).
				Apply()

			newTrafficTest(t, fromAndTo).
				FromMatch(fromMatch).
				ToMatch(toMatch).
				Run(func(t framework.TestContext, from echo.Instance, to echo.Target) {