Demonstrate coverage annotations for Docker containers

[morgan-atproperties]

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[github-actions]

Coverage report

St.❔	Category	Percentage	Covered / Total
🟡	Statements	66.67%	2/3
🟢	Branches	100%	0/0
🔴	Functions	50%	1/2
🟡	Lines	66.67%	2/3

Test suite run failed

Failed tests: 1/2. Failed suites: 1/1.

  ● adds 1 + 2 to equal 4

    expect(received).toBe(expected) // Object.is equality

    Expected: 4
    Received: 3

       6 |
       7 | test('adds 1 + 2 to equal 4', () => {
    >  8 |   expect(sum(1, 2)).toBe(4);
         |                     ^
       9 | });
      10 |

      at Object.toBe (sum.test.js:8:21)

Report generated by 🧪jest coverage report action from 8992a8c