Coverage only indicates which parts of the codebase were touched by the test suite. A big test suite size doesn't mean high coverage. Coverage can be increased

Coverage only indicates which parts of the codebase were touched by the test suite. A big test suite size doesn't mean high coverage. Coverage can be increased without increasing the test suite by reducing the code base size (within pratical limits obviously) Personally, I only find coverage as a good indicator of which code still needs to be tested, like forgetting some edge cases or conditional branches.