spotify / ramlfications / 16

Pull #8

travis-ci

Add Test for Recursive Include Support

To guard against regression, and prove functionality, added a test and
associated example data to make sure nested `!include` directives work
and a test to make sure loading non-yaml and non-json files works.

1 of 1 new or added line in 1 file covered. (100.0%)

1262 of 1292 relevant lines covered (97.68%)

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