Bug 182061 Data engine changes to support result set sharing
data/org.eclipse.birt.data.tests/test/org/eclipse/birt/data/engine/binding/GroupOnRowTest.java
*/
	public void testGroupOnString(  ) throws Exception
	{
		groupOnString( "13" );
	}
	
	/**
	 * Test feature of group on string
	 * 
	 * @throws Exception
	 */
	public void testGroupOnString1(  ) throws Exception
	{
		groupOnString( null );
	}
	/**
	 * 
	 * @throws Exception
	 */
	public void testGroupOnString2( ) throws Exception
	{
		groupOnString( null, 3 );
	}
	
	/**
	 * 
	 * @param startValue
	 * @throws Exception 
	 * @throws IOException 
	 */