The order was defined in <https://github.com/tc39/ecma402/pull/279>.

This reverts commit a1c3929c.

Increase the coverage for the constructor for Intl.NumberFormat by
ensuring that HasProperty(O, Pk) is properly called.

Increase coverge for the Intl.NumberFormat constructor by testing that
Get(O, P) and ToString(arg) are properly called.

Improve coverage for the Intl.NumberFormat constructor by testing that
it accepts Array-like objects and handles them properly.

Increase coverage for the Intl.NumberFormat constructor by testing that
passing a string value to the Intl.NumberFormat constructor is
equivalent to passing an Array containing the same string value.

Increase coverage for the Intl.NumberFormat constructor by adding tests
checking if appropriate default values are used.

Increase coverage for the Intl.NumberFormat class contructor by adding
tests for checking that it calls ToObject on the options argument.

Increase coverage for the Intl.NumberFormat class contructor by adding
tests for checking that it calls ToObject on the locales argument.

Rework the available tests for Intl.NumberFormat.prototype.formatToParts
to improve consistency and readability.

Add an assertion to the test for default parameters in Intl.NumberFormat's
method formatToParts checking that both the values are equal to the correct
result.

This will allow implementations to test the rest of the number formatting tests,
even if the extra precision support isn't implemented.

Add missing explicit ToString conversion for symbol values and ensure the expected NaN result is a (locale-dependent) string

Increase test coverage for Intl.NumberFormat.prototype.format by adding
a check for testing if it calls ToNumber (7.1.3) on its argument.

Increase coverage for Intl.NumberFormat by adding a test for format
checking it's default value.

Add tests for Intl.NumberFormat.prototype[@@toStringTag].