YOU SAID:
Hello i'm making my exam
INTO JAPANESE
こんにちは、試験中です
BACK INTO ENGLISH
hello i'm testing
INTO JAPANESE
こんにちは、テスト中です
BACK INTO ENGLISH
hello i am testing
INTO JAPANESE
こんにちは、テスト中です
BACK INTO ENGLISH
hello i am testing
That didn't even make that much sense in English.