[x] Display all failed tests at the end of the log output, before the summary.
[x] Move the error message and the backlog there.
[x] Adds a timestamp at the end of the log before Program executed in
[x] Adds the time it took for each test to execute on the same line
- [x] Display path/to/file:line for each failed test - Will be addressed in a separate Issue/PR
Issues: closes https://github.com/LimeChain/matchstick/issues/123 closes https://github.com/LimeChain/matchstick/issues/145
Program executed in- [x] Display- Will be addressed in a separate Issue/PRpath/to/file:linefor each failed testScreenshot: