feat(testing): activate debug mode during testing

cubicweb/devtools/testlib.py

@@ -417,7 +417,16 @@ class CubicWebTC(BaseTestCase):
         self.setup_database()
         MAILBOX[:] = []  # reset mailbox
 
+        self.previous_log_threshold = self.config.config.log_threshold
+
+        # I want debug all the time because god
+        self.config.global_set_option("log-threshold", "DEBUG")
+        self.config.init_log(self.config["log-threshold"], force=True)
+
     def tearDown(self):
+        self.config.global_set_option("log-threshold", self.previous_log_threshold)
+        self.config.init_log(self.config["log-threshold"], force=True)
+
         while self._cleanups:
             cleanup, args, kwargs = self._cleanups.pop(-1)
             cleanup(*args, **kwargs)