[3.11] gh-107237: Fix test_udp_reconnection() of test_logging (#107238) (#107245)

gh-107237: Fix test_udp_reconnection() of test_logging (#107238)

test_logging: Fix test_udp_reconnection() by increasing the timeout
from 100 ms to 5 minutes (LONG_TIMEOUT).

Replace also blocking wait() with wait(LONG_TIMEOUT) in
test_output() to prevent the test to hang.

(cherry picked from commit ed082383272c2c238e364e9cc83229234aee23cc)