Ref https://bugzilla.mozilla.org/show_bug.cgi?id=1364608

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>

In browsers length is a valid property of window, so they would have a normal
completion instead of a ReferenceError

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>

same es src/dstr-assignment/array-elem-target-simple-strict.case

The templates are being used for many tests reusing the same available function forms.
The format they are provided allow us to extend tests with cases for other tests relying
in the same formats.

Ordering of done and value property loads changed in
https://github.com/tc39/proposal-async-iteration/commit/395b2e3b2f5acb62f9fae11c5e189423d4af50e6

- Insert a missing .next() call
- Avoid overlapping names used in test cases

Case files like `src/dstr-binding/ary-ptrn-elem-ary-elision-init.case` are already setting
bindings named `g`. Renaming them in the templates prevents overlapping names.

Tests doesn't use async functionality and don't call $DONE, so remove
"async" flag:
- src/params/error/async-gen-named-func-expr.template
- test/language/expressions/async-generator/params-named-dflt-abrupt.js
- test/language/expressions/async-generator/params-named-dflt-ref-later.js
- test/language/expressions/async-generator/params-named-dflt-ref-self.js

Intl.PluralRules.prototype is no longer a Intl.Prototype instance:
- test/intl402/PluralRules/prototype/prototype.js

Intl.PluralRules throws an error when called as a function:
- test/intl402/PluralRules/undefined-newtarget-throws.js

Module namespace objects call OrdinaryDelete for symbol properties:
- test/language/module-code/namespace/internals/delete-non-exported.js

Async generators no longer retrieves "done" property twice:
- src/async-generators/yield-star-async-next.case
- src/async-generators/yield-star-async-return.case
- src/async-generators/yield-star-async-throw.case

Minor units of CLF is 4, so we need to test with maximumFractionDigits=3
to get an error:
- test/intl402/NumberFormat/dft-currency-mnfd-range-check-mxfd.js

DateTimeFormat.prototype.formatToParts length property was changed from
0 to 1:
- test/intl402/DateTimeFormat/prototype/formatToParts/length.js

minimumSignificantDigits and maximumSignificantDigits properties are
only retrieved once:
- test/intl402/NumberFormat/11.1.1_32.js

Closes #883

Closes #873

Fixes #913

Ref #850