This makes have option to running test262-es2015 and test262-esnext with debug version
of jerryscript.
On OSX, the $RUNNER -q --jerry-tests are in dead loop, disable it first.
Increase TEST262_CASE_TIMEOUT to 180, so that --build-debug can pass the tests
without timeout
An side effect of this are
```
<test id="built-ins/decodeURIComponent/S15.1.3.2_A2.5_T1.js"><reason></reason></test>
<test id="built-ins/decodeURI/S15.1.3.1_A2.5_T1.js"><reason></reason></test>
```
passed
JerryScript-DCO-1.0-Signed-off-by: Yonggang Luo [email protected]