Make "make test" to be a default test command and run Python 3 tests

Author: rmk135

Makefile

@@ -52,7 +52,7 @@ test-py2: build
 	coverage report --rcfile=./.coveragerc
 	coverage html --rcfile=./.coveragerc
 
-test-py3: build
+test: build
 	# Unit tests with coverage report
 	coverage erase
 	coverage run --rcfile=./.coveragerc -m unittest2 discover -s tests/unit/ -p test_*py3*.py

docs/main/changelog.rst

@@ -10,6 +10,7 @@ follows `Semantic versioning`_
 Development version
 -------------------
 - Add tests for ``Selector`` provider.
+- Update Makefile to make Python 3 tests to be a default test command: ``make test``.
 
 4.17.0
 ------