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[johnson-liang]

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Refactor: GqlResponse generic type helps typing test fixtures

[coveralls]

Pull Request Test Coverage Report for Build 5887396606

• 12 of 12 (100.0%) changed or added relevant lines in 3 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.1%) to 90.824%

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Totals
Change from base Build 5887390815:	0.1%
Covered Lines:	991
Relevant Lines:	1063

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💛 - Coveralls