Fix test coverage run

The test coverage was not run and this would have failed the
coverage services after Travis CI. It is still not sure why
the Travis CI fails with tests that work locally. This may
be the reason for Travis CI failure.

Signed-off-by: Heikki Laaksonen <laaksonen.heikki.j@gmail.com>

Makefile

@@ -12,7 +12,7 @@ PIP            ?= pip
 PYTHON         ?= python
 PYTHON_VERSION ?= $(shell python -c 'import sys; print(sys.version_info[0])')
 INSTALL_USER   ?=
-COVERAGE       ?= --cov=snippy --cov-branch
+COVERAGE       ?= --cov snippy_tldr --cov-branch
 QUIET          ?= -qq
 V              ?=
 
@@ -51,7 +51,7 @@ docs:
 	make -C docs html
 
 test:
-	$(PYTHON) -m pytest
+	$(PYTHON) -m pytest -x ${COVERAGE} --cov-report html
 
 test-tox:
 	tox

tests/test_snippy_tldr.py

@@ -18,6 +18,8 @@
 
 """test-snippy-tldr: Test snippy plugin to import tldr man pages.."""
 
+from snippy_tldr import SnippyTldr
+
 
 class TestSnippyTldr(object):  # pylint: disable=too-few-public-methods
     """Test snippy-tldr."""
@@ -26,4 +28,7 @@ class TestSnippyTldr(object):  # pylint: disable=too-few-public-methods
     def test_001():
         """First test."""
 
+        tldr = SnippyTldr()
+        tldr.run()
+
         assert 1