All classes that implement PHPUnit_Framework_SkippedTest in Zircon Profile 8
- class \PHPUnit_Framework_InvalidCoversTargetError implements PHPUnit_Framework_SkippedTest
- class \PHPUnit_Framework_SkippedTestError implements PHPUnit_Framework_SkippedTest
- class \PHPUnit_Framework_SkippedTestSuiteError implements PHPUnit_Framework_SkippedTest