Make test262 output less verbose (#4108)
Make test262 output less verbose (#4108)

Changes:
- Progress meter is precise and less verbose
- Omit list of failures, test262.report file contains it

JerryScript-DCO-1.0-Signed-off-by: Csaba Osztrogonác csaba.osztrogonac@h-lab.eu
jerryscript-project/jerryscript,dbatyai/jerryscript,dbatyai/jerryscript,robertsipka/jerryscript,robertsipka/jerryscript,dbatyai/jerryscript,dbatyai/jerryscript,bzsolt/jerryscript,akosthekiss/jerryscript,akosthekiss/jerryscript,zherczeg/jerryscript,bzsolt/jerryscript,akosthekiss/jerryscript,zherczeg/jerryscript,jerryscript-project/jerryscript,jerryscript-project/jerryscript,bzsolt/jerryscript,robertsipka/jerryscript,bzsolt/jerryscript,zherczeg/jerryscript,akosthekiss/jerryscript,bzsolt/jerryscript,robertsipka/jerryscript,zherczeg/jerryscript,jerryscript-project/jerryscript,dbatyai/jerryscript,akosthekiss/jerryscript,jerryscript-project/jerryscript,robertsipka/jerryscript,zherczeg/jerryscript,robertsipka/jerryscript