Bug 135254 "Test connection" should be disabled after cancelling "Manage Drivers" window
Steps to reproduce: 1.New a JDBC data source 2.Before enter Driver class/URL, notice that "Test Connection" is disabled 3.Click "Manage Drivers", and then cancel it Expected result: "Test Connection" is disabled Actual result: "Test Connection" is enabled
data/org.eclipse.birt.report.data.oda.jdbc.ui/src/org/eclipse/birt/report/data/oda/jdbc/ui/profile/JDBCSelectionPageHelper.java
{
    private WizardPage m_wizardPage;
    private PreferencePage m_propertyPage;
    
    private static final String EMPTY_STRING = "";
   
	
	private ComboViewer driverChooserCombo;
	
	private Text jdbcUrl, userName, password;
	
	private Button manageButton, testButton;
	
    static final String DEFAULT_MESSAGE = 
    	 JdbcPlugin.getResourceString( "wizard.message.createDataSource" ); 
	
	final private static String EMPTY_URL = JdbcPlugin.getResourceString( "error.emptyDatabaseUrl" );