build: prepare for test matrix (#176)

* ci: add ci test directive

* tmp: test artifact name fix

* Apply suggestions from code review

---------

Co-authored-by: Vishwa Shah <vishwa2710@gmail.com>

Makefile

@@ -522,6 +522,23 @@ test-unit-python-standalone: ## Run Python unit tests (standalone)
 
 .PHONY: test-unit-python-standalone
 
+ci-test-python: ## Run Python unit tests. Assumes the dev image has already been built, AND that bindings have been built and are available at `packages/python`
+
+	@ echo "Running Python unit tests..."
+
+	docker run \
+	--rm \
+	--volume="$(CURDIR):/app:delegated" \
+	--volume="/app/build" \
+	--workdir=/app/build \
+	$(docker_development_image_repository):$(docker_image_version) \
+	/bin/bash -c "python${test_python_version} -m pip install --root-user-action=ignore --target=${test_python_directory} --find-links packages/python open_space_toolkit_${project_name} \
+	&& python${test_python_version} -m pip install --root-user-action=ignore --target=${test_python_directory} plotly pandas \
+	&& cd ${test_python_directory}/ostk/$(project_name)/ \
+	&& python${test_python_version} -m pytest -sv ."
+
+.PHONY: ci-test-python
+
 test-coverage: ## Run test coverage cpp
 
 	@ echo "Running coverage tests..."