
The variant of containment tests for DynamicSet merged in
40748e5bdc
did not actually call DynamicSet's contains method, as a DynamicSet is
not a Collection. By avoiding syntactic sugar provided by the truth
library, we make sure the correct contains method is called.
Change-Id: I9cebcebf3a6a031ac3d420f9561d0fad08f92772