Add try-catch for failing tests

[tawn33y]

Some tests currently fail with no error and just throws an empty string, unless you use a try-catch statement. Need to fix this in the main code, but for now, can simply add a try-catch in the tests to know why the test failed.

e.g.

[tawn33y]

Attempt to resolve this didn't resolve the issue. Needs more investigating. For now, rerunning the test seems to make it pass. Closing.