QUnit.revisionSlider = {};

Object.assign( QUnit.revisionSlider, {
	// Helper function to add conditions to QUnit skip methods.
	testOrSkip: function ( name, testCallback, skipCondition ) {
		if ( skipCondition ) {
			QUnit.skip( name, testCallback );
		} else {
			QUnit.test( name, testCallback );
		}
	}
} );