// Click on next button
WizardPane view = (WizardPane)TestUtilities.findComponent(wizardDialog, WizardPane.class);
// Retrieve wizard view next button
final JButton nextFinishOptionButton = (JButton)TestUtilities.getField(view, "nextFinishOptionButton");
assertTrue("Next button isn't enabled", nextFinishOptionButton.isEnabled());
tester.click(nextFinishOptionButton);
// Check current step is scale
assertStepShowing(panel, false, true, false);
// 4. Check scale distance spinner value is empty
assertEquals("Scale distance spinner isn't empty", null, scaleDistanceSpinner.getValue());