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Timeout mw: rework how test waits for timeout. Using sleep as delay i… (#2187)

Timeout mw: fix datarace in tests when we are getting data from buffer (in test) and writing to logger at the same time.

Timeout mw: fix datarace in tests when we are getting data from buffer. Run each test in their own server so multiple tests cases will not cause datarace getting data out of logger buffer.

Merge pull request #2166 from aldas/ci_with_go1_18

Update Github CI flow to use Go 1.18, bump actions versions