@Test
  public void testSchemeWhitelisted() throws Exception {
    negativeTestCase(new String[] { "file:///" }, "file:///permitted/couldnotpossiblyexist.jar");
  }
Test a table modification adding a coprocessor path which is whitelisted. Coprocessor should be
added to table descriptor. Table is disabled to avoid an IOException due to the added
coprocessor not actually existing on disk.
hbase-server/src/test/java/org/apache/hadoop/hbase/security/access/TestCoprocessorWhitelistMasterObserver.java