test_resources_under_load false positive under parallel execution

[ian-flores]

Description

test_resources_under_load asserts that the local machine's load average is below 2x the CPU count. When running the test suite in parallel (-n 3), the load spikes from 3 xdist workers + Playwright browser instances, causing a false positive failure.

Observed behavior

AssertionError: Load average 31.17 exceeds 2x CPU count (12)

Options

• Skip this test when running under xdist (detect via workerinput or PYTEST_XDIST_WORKER env var)
• Measure remote server resources instead of the local machine
• Increase the threshold when parallel execution is detected