[BE]: Command line tool HTML report do not count failures

[MikeSchulze]

The used GdUnit4 version

4.5.0 (Latest Release)

The used Godot version

all

Operating System

all

Describe the bug

The rework on the test execution introduces a new bug on HTML test reports.
If tests failing, the report do not count the failures.

Steps to Reproduce

Example:

1. Open the application.
2. Click on '...' button.
3. Enter '...' in the input field.
4. Click on 'Submit'.
5. Observe the error in the console.

If the issue involves code, please include relevant snippets below:

# Sample code demonstrating the issue
func reproduce_issue():
    # Your code here
    pass

Minimal reproduction project

No response