[Mac] Updating the window size for JS games.
Updating JS-test.
Merge pull request #3730 from dumganhar/release-3.0-patch

[Mac] Updating the window size for JS games and updating JS-Test.
[Win32] Updating the window size of JS-Games to 480x720.
Merge pull request #3732 from dumganhar/develop

[Win32] Updating the window size of JS-Games to 480x720.