@Test
  public void createProcessController_withoutPidFile_throwsFileNotFoundException()
      throws Exception {
    // act/assert
    assertThatThrownBy(() -> factory.createProcessController(parameters, directory, pidFileName))
        .isInstanceOf(FileNotFoundException.class);
  }
Functional integration tests for {@link ProcessControllerFactory}.
geode-core/src/integrationTest/java/org/apache/geode/internal/process/ProcessControllerFactoryIntegrationTest.java