14         { ref: 'a:b:c', id: 'a:b:d', expected: 'd' },  property
15         { ref: 'a:b:c', id: 'a:b:c:d:e', expected: '.:c:d:e' },  property
16         { ref: 'a:b:c', id: 'a:b:c:d:e', expected: '.:c:d:e' },  property
17         { ref: 'a', id: 'a:b:c', expected: 'a:b:c' },  property
18         { ref: 'a:b', id: 'c:d', expected: 'c:d' },  property
19         { ref: 'a:b:c', id: 'a:d:e', expected: '..:d:e' },  property
20         { ref: 'a:b:c:d', id: 'a:d:e', expected: '..:..:d:e' },  property
21         { ref: 'a:b', id: 'c', expected: ':c' },  property
24     testCases.forEach(({ ref, id, expected }, index) => {  property
26         if (result === expected) {
29             console.log(`Test ${index + 1} failed: expected ${expected}, got ${result}`);