@Override
      public void run2() {
        try {
          assertQueryResults(RollingUpgrade2DUnitTestBase.cache, queryString, numExpected);
        } catch (Exception e) {
          fail("Error asserting query results", e);
        }
      }
This test starts up multiple servers from the current code base and multiple servers from the
old version and executes puts and gets on a new server and old server and verifies that the
results are present. Note that the puts have overlapping region keys just to test new puts and
replaces
geode-core/src/upgradeTest/java/org/apache/geode/internal/cache/rollingupgrade/RollingUpgrade2DUnitTestBase.java