code: public void verifyWarpDeployment(@Observes DeploymentScenario deploymentScenario) {
          if (WarpCommons.isWarpTest(testClass.get().getJavaClass())) {
              for (Deployment deployment : deploymentScenario.deployments()) {
                  DeploymentDescription description = deployment.getDescription();
                  if (!description.testable()) {
                      throw new IllegalArgumentException(
                          "Warp deployments must be testable: " + testClass.get().getJavaClass()
                              + " - check that you have @Deployment(testable=true)");
                  }
              }
          }
      }
docs: Verifies that deployments for Warp tests are all testable