private String workingDirectoryNotFoundErrorMessage() {
    return String.format(
        AbstractLauncher.WORKING_DIRECTORY_NOT_FOUND_ERROR_MESSAGE,
        "Server");
  }
Integration tests for using {@link ServerLauncher} as an in-process API within an existing JVM.
geode-core/src/integrationTest/java/org/apache/geode/distributed/ServerLauncherBuilderIntegrationTest.java