modem, process: Remove unneeded test import

Change-Id: Icd8cbb753aafdef49bde56bc5b0294f82133887c
diff --git a/src/osmo_gsm_tester/process.py b/src/osmo_gsm_tester/process.py
index 4b68ef5..4c55fe9 100644
--- a/src/osmo_gsm_tester/process.py
+++ b/src/osmo_gsm_tester/process.py
@@ -23,7 +23,7 @@
 import signal
 from datetime import datetime
 
-from . import log, test, event_loop
+from . import log, event_loop
 from .util import Dir
 
 class Process(log.Origin):