Merge branch 'remove-runTestCase-builtins-other' of https://github.com/anba/test262 into anba-remove-runTestCase-builtins-other

# By André Bargull
# Via André Bargull
* 'remove-runTestCase-builtins-other' of https://github.com/anba/test262:
  Replace runTestCase with assert helpers, rest [test/built-ins]
  Replace runTestCase with assert helpers [test/built-ins]

Conflicts:
	test/built-ins/Array/from/S22.1.2.1_T1.js
	test/built-ins/Array/from/S22.1.2.1_T2.js
	test/built-ins/Array/from/S22.1.2.1_T3.js

Add tests for default parameters

Update tests for Array.from

- fixed a false positive where argument-passed-null.js was returning a TypeError from 22.1.2.1 step 5
- created 2 tests from argument-passed-null to assert this as null and items as null
- fixed reference info on Array.from_arity.js
- fix tests at Array.from_forwards-length-for-array-likes
- static checks on calling-from-valid-1-onlyStrict.js
- static checks on calling-from-valid-1-noStrict.js
- static checks on calling-from-valid-2.js
- removed create-typedarray-from.js, that test belong to es6id 22.2.2.1
- removed mapfn-invalid-typeerror-1.js - false positive from 22.1.2.1 step 5
- moved mapfn-invalid-typeerror-2.js to more spread tests where mapfn is not callable
- ...

Add tests for well-known Symbol: @@replace

Add tests for Array.prototype.copyWithin

Add tests for well-known Symbol: @@toStringTag

Add tests for well-known Symbol, @@hasInstance

Fix Array.from_arity test

An extra newline in a comment prevented the import from being parsed properly.

Wrong error message in function-code/S10.2.1_A1.js

Remove extraneous indent in header, for consistency

Replace runTestCase with assert.throws

Replace runTestCase in built-ins/Object