allow regression to run from pycharm by using sudo with passwd file. you also need to suid root zfs and zpool

tests/basetest.py

@@ -58,7 +58,8 @@ def redirect_stderr(target):
 
 def shelltest(cmd):
     """execute and print result as nice copypastable string for unit tests (adds extra newlines on top/bottom)"""
-    ret=(subprocess.check_output(cmd , shell=True).decode('utf-8'))
+
+    ret=(subprocess.check_output("SUDO_ASKPASS=./password.sh sudo -A "+cmd , shell=True).decode('utf-8'))
     print("######### result of: {}".format(cmd))
     print(ret)
     print("#########")