Better error message for assertDoc (#449)
Better error message for assertDoc (#449)

Right now it says that the boolean expression fails which is not super useful. Instead, now it prints the actual value.
Pajn/prettier,rattrayalex/prettier,vjeux/prettier,azz/prettier,existentialism/prettier,Skywalker13/prettier-space-parenthesis,despairblue/prettier,lydell/prettier,danharper/prettier,lydell/prettier,Pajn/prettier,arijs/prettier-miscellaneous,existentialism/prettier,prettier/prettier,arijs/prettier-miscellaneous,prettier/prettier,prettier/prettier,Skywalker13/prettier-space-parenthesis,lydell/prettier,Skywalker13/prettier-space-parenthesis,azz/prettier,despairblue/prettier,Skywalker13/prettier-space-parenthesis,arijs/prettier-with-tabs,yamafaktory/prettier,rattrayalex/prettier,jlongster/prettier,arijs/prettier-miscellaneous,existentialism/prettier,yamafaktory/prettier,azz/prettier,lydell/prettier,arijs/prettier-with-tabs,azz/prettier,rattrayalex/prettier,prettier/prettier,existentialism/prettier,arijs/prettier-miscellaneous