Bug 186940 Style name in theme cannot be identify by auto when reopen the library[01]
Description: Style name in theme cannot be identify by auto when reopen the library[01] Step: 1.Open a library and add a theme 2.New a style on the theme and use the default name that is "NewStyle" 3.Save the library, close it and reopen it again. 4.New another style on the same theme Actual result: The default style name on second times is also "NewStyle" Exception result: The default style name on second times is "NewStyle1"
model/org.eclipse.birt.report.model.tests/test/org/eclipse/birt/report/model/api/GroupElementHandleTest.java
elements3.add( formHandle );
		elements3.add( elemFactory.newFreeForm( "ex" ) ); 
		elements3
				.add( new SlotHandle( formHandle, FreeForm.REPORT_ITEMS_SLOT ) );
		GroupElementHandle groupElementHandle3 = new SimpleGroupElementHandle(
				designHandle, elements3 );
		assertFalse( groupElementHandle3.isSameType( ) );
	}
	/**
	 * Tests set value function.
	 * <p>
	 * 1. set a property defined in rom.def.
	 * <p>
	 * 2. set a user property value.
	 * <p>
	 * 3. test
	 * {@link org.eclipse.birt.report.model.api.GroupElementHandle#getPropertyHandle(String)}
	 * 
	 * @throws SemanticException
	 * @throws UserPropertyException
	 * @throws PropertyValueException
	 * @throws MetaDataException
	 */
	public void testSetValue( ) throws SemanticException,
			UserPropertyException, PropertyValueException, MetaDataException
	{
		
		
		DesignElementHandle handle1 = elemFactory
				.newGraphicMasterPage( "page1" );