| ⇢ | A | ApplicationTester added |
| ⇢ | B | ApplicationTester::run() added | |
| ⇢ | A | ApplicationTester::getInputStream() added | |
| ⇢ | A | ApplicationTester::getDisplay() added | |
| ⇢ | A | ApplicationTester::putToInputStream() added | |
| ⇢ | A | ApplicationTester::__construct() added | |
| ⇢ | A | ApplicationTester::getInput() added | |
| ⇢ | A | ApplicationTester::getOutput() added | |
| A | ↘ | B | ErrorTester::test() got worse |
| A | ↛ | ErrorTester::registerShutdownFunction() removed | |
| A | ↛ | ErrorTester::turnOffErrorDisplayingIfNotVerbose() removed |