update docker

Author: jtsodapop

Dockerfile

@@ -13,7 +13,8 @@ RUN apt install -y libsm6 \
 WORKDIR /usr/src/labelbox
 COPY requirements.txt /usr/src/labelbox
 RUN pip install -r requirements.txt
-COPY setup.py README.md /usr/src/labelbox/
-COPY labelbox /usr/src/labelbox/
+COPY setup.py README.md  /usr/src/labelbox/
+COPY labelbox/ /usr/src/labelbox/labelbox/
+COPY tests/ /usr/src/labelbox/tests/
 
 RUN python setup.py install