Refactor scripts in tests directory to be proper tests about image2pattern HOT 4 OPEN

Hey @acrosman, can I take this one?

from image2pattern.

Absolutely.

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Hey @acrosman,
I see the files under the tests folder does not particularly follow mocha structure!
the result of these test cases are not returned by the function but in turn, it is reflected in a folder called output/images
Can you give more information on these files under the tests folder should be checked for pass/failure test?

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@SutharMukesh Sorry you're quite right I described this badly (I'll fix the description in a minute). Those are old test scripts that were created before Mocha was added and are more or less...terrible. They just fire off pieces of the system and expect people to hand check things.

Really those should be converted to proper tests.

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