Reordering steps in setup section of README

Running ./run_tests.sh requires an activated virtualenv

README.md

@@ -19,9 +19,8 @@ Backdrop is a datastore built with Python and MongoDB. It is made up of two sepa
 This assumes you are using the GDS dev environment and so have python and mongo installed.
 
 0. Check that you have virtualenv installed, if not ```sudo apt-get install python-virtualenv```.
-1. Navigate to this directory and run ```./run_tests.sh```. This will
-create a new virtualenv, install all dependencies and run the tests.
-2. ```source venv/bin/activate``` to enable the virtualenv.
+1. ```source venv/bin/activate``` to enable the virtualenv.
+2. Navigate to this directory and run ```./run_tests.sh```. This will create a new virtualenv, install all dependencies and run the tests.
 3. Copy `backdrop/write/config/development_environment_sample.py` to `development_environment.py`
 (if you want to) and edit as needed.