Verbose skipping of qt tests

Author: g1itch

src/tests/core.py

@@ -369,8 +369,8 @@ def run():
     suite = loader.loadTestsFromTestCase(TestCore)
     try:
         import bitmessageqt.tests
-    except ImportError:
-        pass
+    except ImportError as err:
+        print('Failed to load bitmessageqt.tests: %s' % err)
     else:
         qt_tests = loader.loadTestsFromModule(bitmessageqt.tests)
         suite.addTests(qt_tests)