Try HHVM nightly since 3.1 has regressions.
Test against hhvm-nightly since 3.1 has regressions.
Merge branch '4.1' into 4.2
Merge branch '4.2'
Fix flaky test.
Fix dependencyInput count in case of repeated test

Always use the latest result of dependency
Fixes #1311.

Don't use empty strings as files.
Merge branch '4.1' into 4.2
Merge branch '4.2'
Merge pull request #1318 from eelf/patch-3

Fix dependencyInput count in case of repeated test
Fixes #1314.

Added `coverage-text` / `showUncoveredFiles` to phpunit.xsd.
Merge branch '4.1' into 4.2
Fixes #1314.

Added `coverage-text` / `showUncoveredFiles` to phpunit.xsd.
Merge branch '4.2'
Fixes #1265

Don't fail on `testSuiteLoaderClass="PHPUnit_Runner_StandardTestSuiteLoader"`.
Merge branch '4.1' into 4.2
Merge branch '4.2'
Check both the function and the method for the existence via '@requires function' annotation
Merge pull request #1324 from rybakit/4.1

Check both the function and the method via '@requires function' annotation
Merge branch '4.1' into 4.2