Now that there will be a new announced built-in test tool for python,
it will be good that some good details of an old test explorer extension become available, like the syntax highlighting in the output of failed test, as show bellow:

This is the floating output of the ""old"" Python Test Explorer for Visual Studio Code.

We can see syntax highlighting and monospace font.

Any output of the new tool does not show syntax highlighting:

Feature request

Show syntax highlighting in the output of failed tests in the new built-in tool of the tests.