What is the crossword answer for the clue: This is ___ a test

NOT - a 3 letter word may be the answer you are looking for!

ONLY - a 4 letter word may be the answer you are looking for!

ASSAY - a 5 letter word may be the answer you are looking for!

EXAM - a 4 letter word may be the answer you are looking for!

TRIALRUN - a 8 letter word may be the answer you are looking for!

This is ___ a test

3 Character Answers:

NOT

4 Character Answers:

EXAM

ONLY

5 Character Answers:

ASSAY

8 Character Answers:

TRIALRUN