Print file and line number where mismatch is found

[PaulRBerg]

If I run bulloak check from the root of the project, like this:

$ bulloak check ./**/*.tree

And there is a mismatch, I get an error log like this:

Codegen not found: Couldn't find a corresponding element for "test_WhenXIsTrue" in the solidity file.

This is vague. It tells me neither the file in nor the line number where the mismatch was found.

For maximum clarity, Bulloak should print this information to the terminal.

[alexfertel]

This should be way better! Take it for a spin and lmk if you find any bugs.

[PaulRBerg]

Beautiful!

bulloak check ./**/*.tree
•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••
check failed: couldn't find a corresponding element for "test_WhenXIsTrue" in the Solidity file
file: ./test/04-given-when/givenWhen.tree | line: 7

error: 1 check failed. See details above.