@Test
    public void test1() throws Exception {
      temporaryFileRule.newFile(fileName1);

      assertThat(new File(tempDirectory, fileName1)).exists();
      assertThat(new File(tempDirectory, fileName2)).doesNotExist();
    }
Used by test {@link #filesGetCleanedUpAfterTestMethod()}

This test ensures that {@link TemporaryFileRule} cleans up the files it created in between each
test method.
geode-junit/src/integrationTest/java/org/apache/geode/test/junit/rules/TemporaryFileRuleTest.java