fix babel pipeline-operator default config

[coveralls]

Pull Request Test Coverage Report for Build 130

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.2%) to 91.772%

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Files with Coverage Reduction	New Missed Lines	%
src/tests/App/index.js	1	90.0%
<!--	Total:	1		-->

Totals
Change from base Build 127:	-0.2%
Covered Lines:	106
Relevant Lines:	111

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💛 - Coveralls