@Before
  public void before() throws Exception {
    actualPid = identifyPid();
    fakePid = new AvailablePid().findAvailablePid(PREFERRED_FAKE_PID);
    attachProcessUtils = new AttachProcessUtils();
  }
Unit tests for {@link AttachProcessUtils}.

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