eim/testenv: re-align path to restop.py
The location of restop.py in the onomondo-eim git repository has
changed. This patch re-alignes the path.
Related: SYS#8100
Depends: onomondo-eim.git I4e42ce85c84b47d3561011083da4a1e54958fd8e
Change-Id: I23b3085b4af8ed51c24f4b50385617e81f17a434