Fix tests

Author: jaimebuelta

ch11/microservices/thoughts_backend/ThoughtsBackend/thoughts_backend/api_namespace.py

@@ -77,8 +77,6 @@ def post(self):
         db.session.add(new_thought)
         db.session.commit()
 
-        raise Exception('Unexpected error!')
-
         result = api_namespace.marshal(new_thought, thought_model)
 
         return result, http.client.CREATED

ch11/microservices/thoughts_backend/ThoughtsBackend/thoughts_backend/app.py

@@ -94,9 +94,6 @@ def create_app(script=False):
     application.config['REQUEST_ID_UNIQUE_VALUE_PREFIX'] = ''
     RequestID(application)
 
-    # Initialise metrics
-    metrics.init_app(application)
-
     if not script:
         # For scripts, it should not connect to Syslog
         handler = logging.handlers.SysLogHandler(('syslog', 5140))
@@ -108,6 +105,9 @@ def create_app(script=False):
         # Do not propagate to avoid log duplication
         application.logger.propagate = False
 
+        # Initialise metrics
+        metrics.init_app(application)
+
     api = Api(application, version=VERSION, title='Thoughts Backend API',
               description='A Simple CRUD API')