Move requirements files to requirements/

requirements/test.txt

@@ -0,0 +1,18 @@
+#
+# This file is autogenerated by pip-compile
+# To update, run:
+#
+#    pip-compile --output-file requirements/test.txt requirements/test.in
+#
+atomicwrites==1.2.1       # via pytest
+attrs==18.2.0             # via pytest
+coverage==4.5.1           # via pytest-cov
+django-override-storage==0.1.6
+more-itertools==4.3.0     # via pytest
+pluggy==0.7.1             # via pytest
+py==1.6.0                 # via pytest
+pytest-cov==2.6.0
+pytest-django==3.4.3
+pytest==3.8.1
+selenium==3.12.0
+six==1.11.0               # via more-itertools, pytest