Fix test broken by Function contructor arguments fix
Fix test broken by Function contructor arguments fix

In #299 (specifically in commit c190689), the behaviour of the Function constructor was fixed to be more spec-compliant, but one testcase was not updated and had been failing.

google/CodeCity,NeilFraser/CodeCity,NeilFraser/CodeCity,NeilFraser/CodeCity,google/CodeCity,google/CodeCity,NeilFraser/CodeCity,google/CodeCity