@After
  public void tearDown() throws Exception {
    StatisticsTypeFactoryImpl.clear();
  }
StatArchiveReader should throw IllegalStateException with detailed information instead of
throwing NullPointerException when encountering a Geode Stats file (.gfs) with a missing
ResourceType.

<p>
{@code StatArchiveWithMissingResourceTypeRegressionTest.gfs} was hacked to have a missing
ResourceType. There is no way to generate an equivalent .gfs file.

<p>
GEODE-2013: StatArchiveReader throws NullPointerException due to missing ResourceType
geode-core/src/integrationTest/java/org/apache/geode/internal/statistics/StatArchiveWithMissingResourceTypeRegressionTest.java