Bug 178667 [DataBinding] error message printed to stdout when running test suite
tests/org.eclipse.jface.tests.databinding/src/org/eclipse/jface/tests/databinding/scenarios/PropertyScenarios.java
getDbc().bdValue(
				SWTObservables.observeText(text, SWT.Modify),
				BeansObservables.observeValue(adventure, "price"),
				new UpdateValueStrategy().setAfterGetValidator(validator)
						.setConverter(targetToModelConverter),
				new UpdateValueStrategy().setConverter(modelToTargetConverter));
		Strg expected = numberFormat.format(adventure.getPrice());
        assertEquals(expected, text.getText());
        assertTrue(AggregateValidationStatus.getStatusMaxSeverity(getDbc().getBdgs()).isOK());
        
        Strg toEnter = numberFormat.format(0.65);
        enterText(text, toEnter);
        assertTrue(AggregateValidationStatus.getStatusMaxSeverity(getDbc().getBdgs()).isOK());
        assertEquals(0.65, adventure.getPrice(), 0.0001);
        
        adventure.setPrice(42.24);
        expected = numberFormat.format(adventure.getPrice());
        assertEquals(expected, text.getText());
        assertTrue(AggregateValidationStatus.getStatusMaxSeverity(getDbc().getBdgs()).isOK());
        
        enterText(text, "jygt");
        assertEquals(mustBeCurrencyMessage, AggregateValidationStatus.getStatusMaxSeverity(getDbc().getBdgs()).getMessage());
        
        toEnter = numberFormat.format(-23.9);
        enterText(text, toEnter);
        assertEquals(cannotBeNegativeMessage, AggregateValidationStatus.getStatusMaxSeverity(getDbc().getBdgs()).getMessage());
        assertEquals(42.24, adventure.getPrice(), 0.0001);
        
        adventure.setPrice(0.0);
        assertTrue(AggregateValidationStatus.getStatusMaxSeverity(getDbc().getBdgs()).isOK());