// Run setup functions for the callers.
		t.setup(ctx, from.Callers())

		t.toEachDeployment(ctx, func(ctx framework.TestContext, to echo.Instances) {
			// Build and apply per-destination config
			t.cfg.Context(ctx).BuildFromAndTo(firstCaller, to.Services()).Apply()

			t.setupPair(ctx, callers, echo.Services{to})
			t.fromEachWorkloadCluster(ctx, from, func(ctx framework.TestContext, from echo.Instance) {