Use `set -x` rather than echoing progress

scripts/test.sh

@@ -1,26 +1,21 @@
 #!/usr/bin/env bash
 
-set -e
 
 export PATH=env/bin:node_modules/.bin:${PATH}
 
+set -ex
+
 coverage run --source=website manage.py test $@
 
 coverage report
 coverage html
 
-echo "> Running formatter..."
 black website/ --check
 
-echo "> Running linter..."
 flake8 website/
 
-echo "> Running isort..."
 isort -rc -c website/
 
-echo "> Running type checker..."
 mypy website/
 
-echo "> Running eslint..."
-
 eslint static/src/js