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("#########")

tests/test_zfsautobackup.py

@@ -2,7 +2,6 @@ from basetest import *
 import time
 
 
-
 class TestZfsAutobackup(unittest2.TestCase):
 
     def setUp(self):
@@ -696,8 +695,8 @@ test_target1
 
 
         #test incremental
-        with patch('time.strftime', return_value="20101111000000"):
-            self.assertFalse(ZfsAutobackup("test test_target1 --no-progress --verbose --test".split(" ")).run())
+        with patch('time.strftime', return_value="20101111000002"):
+            self.assertFalse(ZfsAutobackup("test test_target1 --no-progress --allow-empty --verbose --test".split(" ")).run())
 
         r=shelltest("zfs list -H -o name -r -t all "+TEST_POOLS)
         self.assertMultiLineEqual(r,"""