@Test
  public void isProcessAlive_withLivePid_returnsTrue() throws Exception {
    assertThat(attachProcessUtils.isProcessAlive(actualPid)).isTrue();
  }
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