Fix wrongly named spec files

[Fryguy]

@jrafanie Please review.

[miq-bot]

Checked commit https://github.com/Fryguy/manageiq-automation_engine/commit/ae2f4ebd5d1836b6d5ebdc8964ba2c8e19a55236 with ruby 2.6.3, rubocop 1.13.0, haml-lint 0.35.0, and yamllint 1 file checked, 0 offenses detected Everything looks fine. :cake:

[coveralls]

Pull Request Test Coverage Report for Build 6291

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 85.792%

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Totals
Change from base Build 6282:	0.0%
Covered Lines:	5018
Relevant Lines:	5849

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💛 - Coveralls