@Override
  protected Set<JobInstance> getAllJobInstances() {
    Set<JobInstance> validatedInstallations = new LinkedHashSet<>();

    validatedInstallations.add(new JobInstance(JOB_INSTANCE_1_NAME, JOB_INSTANCE_1_ID));
    validatedInstallations.add(new JobInstance(JOB_INSTANCE_2_NAME, JOB_INSTANCE_2_ID));
    validatedInstallations.add(new JobInstance(JOB_INSTANCE_3_NAME, JOB_INSTANCE_3_ID));

    validatedInstallations.add(new JobInstance(JOB_INSTANCE_4_NAME, JOB_INSTANCE_4_ID));

    return validatedInstallations;
  }
Required constructor.

@param config  the config containing the installations path.
samza-rest/src/test/java/org/apache/samza/rest/resources/mock/MockJobProxy.java