* Test env. vars. in rocprofiler-sdk backend
* Improve rocprofiler-sdk backend test case to check for env. vars. and
ensure we do not overwrite irrelevant env. vars.
* Remove unnecessary usage of ROCPROF_INDIVIDUAL_XCC_MODE env. var.
* Formatting fixes
* Test fixes
* Remove redundant code in tests
* Remove usage of utils_mod and use utils instead, this prevents
duplicate imports