Answer Key to the Simple Test

It looks like it's something obvious but I can't find 
I don't think I can see the errors there 
you start the tests 
they won't run in 
Between tests make sure yo clean 
test-run 
Something does not actually show the result 
Region bounded by x^2+y^2=1, y=z, x=0, z=0 
 first octant sieging 
Has a lot of nasty poke

HOW DID YOU DO?