Tests for Graph controller index method

[yoonieaj]

Proposed Changes

Adds tests for the index method in Controllers/Graph.sh.

...

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Questions and Comments

Is the decrease in test coverage related to the additions to the .cabal file?

[coveralls]

Pull Request Test Coverage Report for Build d3bd2bd0-601f-4ade-9a89-87a71e1efdcb

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-9.0%) to 31.741%

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Totals
Change from base Build 6288a076-605e-47c8-8bef-cc18d1e79ad8:	-9.0%
Covered Lines:	637
Relevant Lines:	1933

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💛 - Coveralls

[david-yz-liu]

Revert this change (you moved this import statement to a different line)

[yoonieaj]

It seems like if I don't add this space here, then the import statements get ordered alphabetically upon commit

[david-yz-liu]

@yoonieaj nice work. Yes, I believe the coverage went down because of the new Courseography modules added. There's something a bit weird about our cabal setup for the tests vs. the Courseography module, which I've made a note to look into later.