Intl.Locale: constructor-options-*.js fixups (#1798)

test/intl402/Locale/constructor-locale-object.js

test/intl402/Locale/constructor-newtarget-undefined.js

test/intl402/Locale/constructor-non-iana-canon.js

test/intl402/Locale/constructor-options-calendar-invalid.js

test/intl402/Locale/constructor-options-calendar-valid.js

test/intl402/Locale/constructor-options-casefirst-invalid.js

test/intl402/Locale/constructor-options-casefirst-valid.js

test/intl402/Locale/constructor-options-collation-invalid.js

test/intl402/Locale/constructor-options-collation-valid.js

test/intl402/Locale/constructor-options-hourcycle-invalid.js

test/intl402/Locale/constructor-options-hourcycle-valid.js

...l402/Locale/constructor-options-language-grandfathered.js

test/intl402/Locale/constructor-options-language-invalid.js

...02/Locale/constructor-options-language-valid-undefined.js

test/intl402/Locale/constructor-options-language-valid.js

...402/Locale/constructor-options-numberingsystem-invalid.js

...tl402/Locale/constructor-options-numberingsystem-valid.js

test/intl402/Locale/constructor-options-numeric-undefined.js

test/intl402/Locale/constructor-options-numeric-valid.js

test/intl402/Locale/constructor-options-region-invalid.js