[Issue #313] improve test coverage

Author: gsmolk

tests/restore.py

@@ -3918,5 +3918,10 @@ def test_restore_issue_313(self):
                 '\n Unexpected Error Message: {0}\n CMD: {1}'.format(
                     repr(e.message), self.cmd))
 
+        with open(os.path.join(node.logs_dir, 'postgresql.log'), 'r') as f:
+            self.assertIn(
+                "PANIC:  could not read from control file: read 0 bytes",
+                f.read())
+
         # Clean after yourself
         self.del_test_dir(module_name, fname)