[ISSUE]: Create test cases for the data handler for the GitHub API information

### Type of Issue

Build

### Description of Issue

```shell
Develop test cases of raw data to simulate the GitHub API information and test the data handler's ability to link it to the necessary values for the sub and score equations to calculate the metric
```


### Is this a stalled or critical issue?

- [ ] Critical
- [ ] Stalled

### What is the connected issue?

_No response_