You can run tests not only from the <INSTALL_DIR>, but in this case you need to remember to adjust the environment variables like as WORKSPACE and SHARE
6. To run performance add pytest key: "performance n", where n is number of perf iteration.
Test finds in output of sample 'fps', if it exists,
then tests rerun that sample adding key 'niter n' with number of perfomance run (that you passed to pytest with '--performance n' keys)
Not to add 'niter' key, please, execute pytest "--performance 0"
This test using pregenerated IRs, that located right now in shared folder mentioned above. Also data (images, videos and others) locates in that shared folder.