BVS-1981 test path integration with horizon

Reviewer: @kevinbenton  @kjiang 
CC @kyleforster  
tables are created in neutron db.
rest client is nsapp rest/rest_lib
all configuration is hardcoded at const.py 
Can use the default argument to 'get' to help shorten this
```python
if data and data[0].get("summary", [{}])[0].get("forward-result") == test.expected_result: