* [dtests] refactor windows specific changes
* Refactor hipMemoryAllocateCoherentDriver - PR- 1309
* Fix missing z in _putenv_s
* Revert "Fix missing z in _putenv_s"
This reverts commit 099a1b20a5c75c5f122d57c0ad2bca01745cdc9c.
* Refactor changes from PR 1299
* Update hipEnvVarDriver.cpp
hipEnvVar is the base test case, to be called by hipEnvVarDriver
at the run time.
Test case includes tests for normal use case of the environment
variable, invalid value/sequence and use CUDA_VISIBLE_DEVICES as a
alternative.