Revert "<SR-9930> Swift CI: TestProcess.test_passthrough_environment : failed - Test failed: InvalidEnvironmentVariable("swift_xcode")"#1926

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revert-1920-testprocess-fix-pr

Feb 19, 2019

Commits on Feb 18, 2019

Revert "<SR-9930> Swift CI: TestProcess.test_passthrough_environment : failed - Test failed: InvalidEnvironmentVariable("swift_xcode")"
lorentey
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