Display Cadence logs during testing

[m-Peter]

Closes #103

Description

Displays Cadence logs from unit/integration tests and test files, to the console.

Note: This is currently the default behavior, without a flag to enable/disable it.

Note 2: I tried to make the logs have the same look & feel, because some come from the Emulator's Blockchain (CadenceHook), however that ends up in double printing the rest of the logs, e.g:

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• Targeted PR against master branch
• Linked to Github issue with discussion and accepted design OR link to spec that describes this work
• Code follows the standards mentioned here
• Updated relevant documentation
• Re-reviewed Files changed in the Github PR explorer
• Added appropriate labels

[turbolent]

Nice!