@Before
  public void setUp() {
    props = new Properties();
    props.setProperty(MCAST_PORT, "0");
    String path =
        createTempFileFromResource(CleanUpJUnitTest.class, "/jta/cachejta.xml")
            .getAbsolutePath();
    props.setProperty(CACHE_XML_FILE, path);
    ds1 = DistributedSystem.connect(props);
    cache = CacheFactory.create(ds1);
  }
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geode-core/src/integrationTest/java/org/apache/geode/internal/datasource/CleanUpJUnitTest.java