I can swim in Lava without dying

 

Not dying from lava

What I expected to happen was...:
I should die from lava

What actually happened was...: 

I was mining for a bit I heard lava not being able to find it I went in to spectator mode to see how close I was and land. I go back into survival and I step into lava and i was not taking any damage.

Steps to Reproduce:
1. logged in 
2. went mining and heard lava 
3. went into spectator mode

4.found the source and went back into survival

5.now i can stand in lava and not be damaged