Help to report on coverage

.coveragerc

@@ -2,4 +2,4 @@
 [run]
 data_file = .coverage
 source = lti_consumer
-omit = */urls.py, *tests*
+omit = */urls.py

Makefile

-.PHONY: help all install-test install compile-sass quality test upgrade
+.PHONY: help all install-test install compile-sass quality test covreport upgrade
 
 help: ## display this help message
 	@echo "Please use \`make <target>' where <target> is one of"
@@ -23,6 +23,9 @@ test:  ## Run the tests
 	rm -rf .coverage
 	python -m coverage run --rcfile=.coveragerc ./test.py --noinput
 
+covreport:  ## Show the coverage results
+	python -m coverage report -m --skip-covered
+
 upgrade: export CUSTOM_COMPILE_COMMAND=make upgrade
 upgrade: ## update the requirements/*.txt files with the latest packages satisfying requirements/*.in
 	pip install -q -r requirements/pip_tools.txt