[Test] Test Coverage for Function class

[JckXia]

class	methods
Function	Function()
See PR #928 (Covered)	Value Call(const std::initalizer_list<napi_value>& args）const
See PR #928 (Covered)	Value Call(const std::vector<napi_value>&args ) const
See PR #928 (Covered)	Value Call(size_t argc, const napi_value* args) const
See PR #928 (Covered)	Value Call(napi_value recv, const std::initializer_list<napi_value>& args)
See PR #928 (Covered)	Value Call(napi_value recv, size_t argc, const napi_value* args) const
See PR #928 (Covered)	Value Call(napi_value recv, const std::vector<napi_value>& args ) const
See PR #928 (Covered)	Value MakeCallback(napi_value recv, const std::initializer_list<napi_value>& args) const
See PR #928 (Covered)	Value MakeCallback(napi_value recv, const std::vector<napi_value>& args) const
See PR #928 (Covered)	Value MakeCallback(napi_value recv, size_t argc, const napi_value* args) const

@NickNaso

[KevinEady]

Can we close this as #928 has been merged?

[github-actions]

This issue is stale because it has been open many days with no activity. It will be closed soon unless the stale label is removed or a comment is made.

[NickNaso]

I'm closing this issue becasue all seems to be covered.