[SWDEV-451960] [WIP] Add Pytest

Updates:
- Added pytest to shared/pytest folder
- User can execute tests:

[pytest]
python3 -m pytest -p no:cacheprovider /opt/rocm/share/amd_smi/tests/pytest/unit_tests.py -s -v
python3 -m pytest -p no:cacheprovider /opt/rocm/share/amd_smi/tests/pytest/integration_test.py -s -v

[unittest]
/opt/rocm/share/amd_smi/tests/pytest/unit_tests.py -v
/opt/rocm/share/amd_smi/tests/pytest/integration_test.py -v

- Automatically installs pytest

Change-Id: Ia3281a9608aeeb803b91f8b83f87ff84b01037f4
Signed-off-by: Charis Poag <Charis.Poag@amd.com>

rocm_smi/src/rocm_smi.cc

@@ -963,6 +963,7 @@ rsmi_dev_oam_id_get(uint32_t dv_ind, uint16_t *id) {
   ss << __PRETTY_FUNCTION__ << "| ======= start =======";
   LOG_TRACE(ss);
   CHK_SUPPORT_NAME_ONLY(id)
+  *id = std::numeric_limits<uint16_t>::max();
 
   ret = get_id(dv_ind, amd::smi::kDevXGMIPhysicalID, id);
   ss << __PRETTY_FUNCTION__ << " | ======= end ======="