Jest and Cypress's coverage merged results is wrong

[NguyenDat251]

Link to bug demonstration repository

demo link

Here is the coverage result from Jest

Here is the coverage result from Cypress

The merged result

Expected Behavior

Merged result should be 100%

Troubleshooting steps

• Clone the demo that I put above
• Run commands in the Readme file

Please help me determine why the merged result is not correct!!!