@Test
  public void closeDeletesPidFile() throws Exception {
    // arrange
    LocalProcessLauncher launcher = new LocalProcessLauncher(pidFile, false);
    assertThat(pidFile).exists();

    // act
    launcher.close();

    // assert
    assertThat(pidFile).doesNotExist();
  }
Functional integration tests for {@link LocalProcessLauncher}.

<p>
Tests involving fakePid use {@link RetryRule} because the fakePid may become used by a real
process before the test executes.
geode-core/src/integrationTest/java/org/apache/geode/internal/process/LocalProcessLauncherIntegrationTest.java