KIFTestStep+HelloTDDAdditions.m

@implementation KIFTestStep (HelloTDDAdditions)

+ (id)stepToVerifyGreeting:(NSString *)expectedLabel {
    NSString *description =
      [NSString stringWithFormat:@"Verify output is '%@'",
        expectedLabel];

    return [self stepWithDescription:description
        executionBlock:^(KIFTestStep *step, NSError **error) {

        UIAccessibilityElement *element =
            [[UIApplication sharedApplication]
                accessibilityElementWithLabel:@"Greeting"];

        UILabel *label = (UILabel *)[UIAccessibilityElement
            viewContainingAccessibilityElement:element];

        if ([expectedLabel isEqualToString:label.text]) {
            return KIFTestStepResultSuccess;
        }

        KIFTestCondition(NO, error,
            @"Failed to compare the label text: expected '%@', actual '%@'",
                expectedLabel, label.text);
  }];
}

@end