Bug 147977 Chart editor does not use container's column bindings
1) create data source 2) create data set: select * from customers 3) create table 4) bind country, customer name to table 5) group by country 6) create a binding for total_by_country which aggregates # of customers in each country. put a data element in group footer and bind to total_by_country 7) in group header put chart 8) in data tab specify inherit from container Result: You see columns for report data set created in step 2. Expected Result: Just 3 columns for the 3 bindings created in 4 and 6.
data/org.eclipse.birt.data.tests/test/org/eclipse/birt/data/engine/api/APITestCase.java
*/
	/**
	 * Prepare test table. This method is defined separatelly since in some test
	 * cases, they might use more than one data set, although they share the
	 * same data source.
	 * 
	 * @param dataSourceInfo
	 * @throws Exception
	 */
	protected void prepareDataSet( DataSourceInfo dataSourceInfo )
			throws Exception
	{
		if ( dataSourceInfo != null
				&& dataSourceInfo.tableName != null
				&& dataSourceInfo.createSql != null
				&& dataSourceInfo.dataFileName != null )
		{
			this.tableName = dataSourceInfo.tableName;
			
			this.prepareTestTable( dataSourceInfo.tableName,
					dataSourceInfo.createSql,
					dataSourceInfo.dataFileName );
		}
	}
	
	/**
	 * Create test table and populate data into table, currently only derby data
	 * base is used.
	 * 
	 * @param tableName