1. create a variable field, name it "foo" and assign value 0
2. create a section, and put content a in it and assign condition
   "foo EQ 1" to it
3. change th value of VAR foo from 0 to 1
4. expected behaviour: section is hidden
   current behaviour: section get corrupted: condition is overwritten with "0"

Change-Id: I52fb50e26f5330c2b4745093ac954cecf45924f5