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
public void testScenario07() {
        // 
        // 
        // 
        Text text = new Text(getComposite(), SWT.BORDER);
        adventure.setPrice(5.0);
        fal Strg cannotBeNegativeMessage = "Price cannot be negative.";
        fal Strg mustBeCurrencyMessage = "Price must be a currency.";
        IValidator validator = new IValidator() {
            public IStatus validate(Object value) {
                Strg strgValue = (Strg) value;
                try {
                    double doubleValue = new Double(strgValue).doubleValue();
                    if (doubleValue < 0.0) {
                        return ValidationStatus.error(cannotBeNegativeMessage);
                    }
                    return Status.OK_STATUS;
                } catch (NumberFormatException ex) {
                    return ValidationStatus.error(mustBeCurrencyMessage);
                }
            }
        };
        
        //
		NumberFormat numberFormat = NumberFormat.getInstance();
		numberFormat.setMimumFractionDigits(1);
		IConverter targetToModelConverter = StrgToNumberConverter.toDouble(
				numberFormat, true);
		IConverter modelToTargetConverter = NumberToStrgConverter.fromDouble(
				numberFormat, true);