@Before
  public void setUp() {
    systemOutAfterRule = System.out;
    systemErrAfterRule = System.err;
    message = "simple message";
  }
Verifies behavior of {@code SystemOutRule} and {@code SystemErrRule} that other Geode logging
tests depend on. If this behavior changes, then those tests may also need to change.
geode-core/src/integrationTest/java/org/apache/geode/logging/internal/SystemOutRuleAndSystemErrRuleIntegrationTest.java