digitFibonacci(5)
should return 21.
testString: assert.strictEqual(digitFibonacci(5), 21, 'digitFibonacci(5)
should return 21.');
- text: digitFibonacci(10)
should return 45.
testString: assert.strictEqual(digitFibonacci(10), 45, 'digitFibonacci(10)
should return 45.');
- text: digitFibonacci(15)
should return 69.
testString: assert.strictEqual(digitFibonacci(15), 69, 'digitFibonacci(15)
should return 69.');
- text: digitFibonacci(20)
should return 93.
testString: assert.strictEqual(digitFibonacci(20), 93, 'digitFibonacci(20)
should return 93.');
```