Jarvan IV - Sudden Impact Mastery not giving Lethality when using E-Q

Just tested in a Practice Tool. I used C to look at my Mastery stats when E-Q'ing a champion bot, I never got the Lethality. Doesn't give me Lethality on Dummies either. However When I Used My R -Cataclysm on a Enemy Champion/Dummy it does give me the Lethality.
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