FreeNAS/freenas b20c912tests runtest.py, tests/api2 update.py

Merge pull request #2457 from freenas/QE-tkt-71505

QE-Test tkt-71505 Fix FreeNAS test vm_name and add missing update download_hang condition in master
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+14-0tests/api2/update.py
+2-2tests/runtest.py
+16-22 files

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