test: Disable known broken USDT test for now

(cherry picked from commit faf8be7)

Author: MarcoFalke

test/functional/interface_usdt_mempool.py

@@ -296,7 +296,10 @@ def handle_rejected_event(_, data, __):
         assert_equal(1, len(events))
         event = events[0]
         assert_equal(bytes(event.hash)[::-1].hex(), tx["tx"].hash)
-        assert_equal(event.reason.decode("UTF-8"), "min relay fee not met")
+        # The next test is already known to fail, so disable it to avoid
+        # wasting CPU time and developer time. See
+        # https://github.com/bitcoin/bitcoin/issues/27380
+        #assert_equal(event.reason.decode("UTF-8"), "min relay fee not met")
 
         bpf.cleanup()
         self.generate(self.wallet, 1)