@Test
  public void isProcessAliveReturnsFalseForDeadProcess() throws Exception {
    // arrange
    process.destroyForcibly();

    // act/assert
    await().untilAsserted(() -> assertThat(process.isAlive()).isFalse());
    assertThat(nativeProcessUtils.isProcessAlive(pid)).isFalse();
  }
Max sleep timeout for {@link ProcessSleeps}
geode-core/src/integrationTest/java/org/apache/geode/internal/process/NativeProcessUtilsIntegrationTest.java