Added sqlalchemy_utils to the test requirements

Author: syrusakbary

.travis.yml

@@ -22,7 +22,7 @@ before_install:
 install:
 - |
   if [ "$TEST_TYPE" = build ]; then
-    pip install pytest==3.0.2 pytest-cov pytest-benchmark coveralls six mock
+    pip install pytest==3.0.2 pytest-cov pytest-benchmark coveralls six mock sqlalchemy_utils
     pip install -e .
     python setup.py develop
   elif [ "$TEST_TYPE" = lint ]; then

setup.py

@@ -40,5 +40,6 @@
     tests_require=[
         'pytest>=2.7.2',
         'mock',
+        'sqlalchemy_utils',
     ],
 )