Fix name in Travis file

.travis.yml

@@ -10,6 +10,6 @@ cache:
 install:
     - pip install --upgrade pip setuptools wheel
     - pip install -r requirements.txt --only-binary=numpy
-    - pip install -r .requirements-full-test.txt --only-binary=scipy
+    - pip install -r .requirements-test.txt --only-binary=scipy
 script:
     - py.test test/