Increase  timeout for single run sahara ostf test

Increase timeout for single run ostf shara test
according to 10 minutes is too small value
for this

Change-Id: I023245f6985a4507e47584d6599fee2f973cf219
Closes-Bug: #1321194
Related-Bug: #1320795
Merge "Increase  timeout for single run sahara ostf test"