tests/device_tests: disable protobuf outputs unless run with -v

trezorlib/tests/device_tests/common.py

@@ -18,13 +18,11 @@
 
 from __future__ import print_function
 
-from binascii import hexlify, unhexlify
-import pytest
 import os
 
 from trezorlib import coins
 from trezorlib import tx_api
-from trezorlib.client import TrezorClient, TrezorClientDebugLink
+from trezorlib.client import TrezorClientDebugLink
 from trezorlib.transport import get_transport
 
 tests_dir = os.path.dirname(os.path.abspath(__file__))

trezorlib/tests/device_tests/conftest.py

@@ -2,6 +2,7 @@ import pytest
 
 from . import common
 from trezorlib.client import TrezorClient
+from trezorlib import log
 
 
 def device_version():
@@ -22,6 +23,11 @@ except:
     TREZOR_VERSION = None
 
 
+def pytest_configure(config):
+    if config.getoption('verbose'):
+        log.enable_debug_output()
+
+
 def pytest_runtest_setup(item):
     '''
     Called for each test item (class, individual tests).