add pytest plugin deps

Signed-off-by: Shivam Sandbhor <shivam.sandbhor@gmail.com>

Author: sbs2001

.travis.yml

@@ -5,7 +5,7 @@ services:
   - postgresql
 
 install:
-  - pip install -e . -r requirements.txt
+  - pip install -e . -r requirements.txt -r requirements-dev.txt
 
 env:
   global:

requirements-dev.txt

@@ -1,3 +1,5 @@
 pytest
+pytest-django
+freezegun
 ipython
 black

requirements.txt

@@ -14,4 +14,4 @@ saneyaml>=0.5.2
 beautifulsoup4>=4.9.3
 python-dateutil>=2.8.1
 toml>=0.10.2
-
+lxml>=4.6.3