@Override
  protected void before() {
    getGeodeHome();
  }
This {@code Rule} is used to indicate tests that require the GEODE_HOME environment varible to be
set. (For example, any test that relies on the assembled Pulse WAR or GFSH binary.)
geode-junit/src/main/java/org/apache/geode/test/junit/rules/RequiresGeodeHome.java