YOU SAID:
After testing, I was able to finishing testing.
INTO JAPANESE
テスト後、テストを終了することができました。
BACK INTO ENGLISH
After the test, I was able to finish the test.
INTO JAPANESE
テストが終わったら、テストを終えることができました。
BACK INTO ENGLISH
After the test, I was able to finish the test.
That didn't even make that much sense in English.