test(cls,tracer): cover with tests

Author: Peter Marton

.travis.yml

@@ -0,0 +1,14 @@
+language: node_js
+cache:
+  directories:
+    - node_modules
+notifications:
+  email: false
+node_js:
+  - 'stable'
+  - '8'
+before_script:
+  - npm prune
+branches:
+  except:
+    - /^v\d+\.\d+\.\d+$/

README.md

@@ -85,5 +85,5 @@ Create a new Tracer and instrument modules.
 ## TODO
 
 - more database instrumentation: MySQL, Redis etc.
-- messaging broker instrumentation: RabbitMQ, Kafka etc.
-- test coverage
+- messaging instrumentation: GRPC, RabbitMQ, Kafka etc.
+- improve test coverage