Make run-tests --jerry-tests --jerry-test-suite work on Windows too (#3260)

Changes:
* Bash based runners/run-test-suite.sh runner replaced with a python runner
* Common util functions moved to util.py
* Fixed EOL issues in tests directory

JerryScript-DCO-1.0-Signed-off-by: Csaba Osztrogonác oszi@inf.u-szeged.hu

tools/runners/run-test-suite-test262.py

@@ -17,10 +17,10 @@
 from __future__ import print_function
 import os
 import shutil
-import signal
 import subprocess
 import sys
 
+import util
 
 def get_platform_cmd_prefix():
     if sys.platform == 'win32':
@@ -28,16 +28,6 @@ def get_platform_cmd_prefix():
     return ['python2']  # The official test262.py isn't python3 compatible, but has python shebang.
 
 
-def set_timezone(timezone):
-    assert sys.platform == 'win32', "set_timezone is Windows only function"
-    subprocess.call(get_platform_cmd_prefix() + ['tzutil', '/s', timezone])
-
-
-def set_timezone_and_exit(timezone):
-    set_timezone(timezone)
-    sys.exit(1)
-
-
 def run_test262_tests(runtime, engine, path_to_test262):
     if not os.path.isdir(os.path.join(path_to_test262, '.git')):
         return_code = subprocess.call(['git', 'clone', 'https://github.com/tc39/test262.git',
@@ -55,9 +45,9 @@ def run_test262_tests(runtime, engine, path_to_test262):
         shutil.rmtree(path_to_remove)
 
     if sys.platform == 'win32':
-        original_timezone = subprocess.check_output(get_platform_cmd_prefix() + ['tzutil', '/g'])
-        set_timezone('Pacific Standard Time')
-        signal.signal(signal.SIGINT, lambda signal, frame: set_timezone_and_exit(original_timezone))
+        original_timezone = util.get_timezone()
+        util.set_sighdl_to_reset_timezone(original_timezone)
+        util.set_timezone('Pacific Standard Time')
 
     proc = subprocess.Popen(get_platform_cmd_prefix() +
                             [os.path.join(path_to_test262, 'tools/packaging/test262.py'),
@@ -92,7 +82,7 @@ def run_test262_tests(runtime, engine, path_to_test262):
     proc.wait()
 
     if sys.platform == 'win32':
-        set_timezone(original_timezone)
+        util.set_timezone(original_timezone)
 
     return return_code