Updating variable names and adding to smoke tests

Change-Id: I505a1ba28d8ebb13eb833dd8dd109f77d65d1f6e
Dynamically determine max ram/disk for flavor tests

* Modified test_flavors to determine at run time the largest
  ram and disk provided by the environment and use those values
  in filtering tests
* Replaced usages of assertTrue with assertEqual

Change-Id: I2c9099b96944ff3292fa66d0d851a93672951cc4
Merge "Updating variable names and adding to smoke tests"
Merge "Dynamically determine max ram/disk for flavor tests"