Replace a bunch of allocations with stack variables.
Remove many unnecessary variables.
The actual tests are unchanged (and still not testing very much), but
this removes a lot of cruft that should make it easier to see what the
tests are actually doing.
Change-Id: I2c4810391cbf4d8edde88d5bc1c0dddcba3ae175
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>