| ⇢ | B | ImportCommandTest::testImportSucceed() added | |
| ⇢ | A | ImportCommandTest::testImportWithWrongArguments() added | |
| ⇢ | A | ImportCommandTest::testExportWithInvalidFilename() added | |
| A | ↘ | B | ImportCommand::execute() got worse |
| A | ↛ | ImportCommandTest::testExportSucceed() removed |