protected static void dropDatabase() throws ClassNotFoundException, SQLException {
        String DROP_DERBY_URL = "jdbc:derby:memory:myDB/ambari;drop=true";
        Class.forName(Configuration.JDBC_IN_MEMORY_DRIVER);
        try {
            DriverManager.getConnection(DROP_DERBY_URL);
        } catch (SQLNonTransientConnectionException ignored) {
            LOG.info("Database dropped ", ignored); //error 08006 expected
        }
    }
Drops the Derby DB.

@throws ClassNotFoundException
@throws SQLException
ambari-funtest/src/test/java/org/apache/ambari/funtest/server/tests/ServerTestBase.java