Separate out test requirements from production

Author: pglombardo

.travis.yml

@@ -5,5 +5,5 @@ python:
   - "3.4"
   - "3.5"
   - "3.6"
-install: "pip install -r requirements.txt"
+install: "pip install -r test_requirements.txt"
 script: nosetests -v

requirements.txt

@@ -1,6 +1,4 @@
-nose>=1.0
 fysom>=2.1.2
 opentracing>=1.2.1
 basictracer>=2.2.0
 autowrapt>=1.0
-flask>=0.12.2

test_requirements.txt

@@ -0,0 +1,7 @@
+nose>=1.0
+fysom>=2.1.2
+opentracing>=1.2.1
+basictracer>=2.2.0
+autowrapt>=1.0
+flask>=0.12.2
+urllib3>=1.9