ci: fix tox.ini pytest cmd to use cloudinit dir for coverage reporting (

#5774)

The src code directory for checking code coverage in was erroneously
set to "cloud-init" instead of "cloudinit". This prevented unit test
coverage from being gathered and reported.

tox.ini

@@ -132,7 +132,7 @@ commands =
     {envpython} -m json.tool --indent 2 {[files]network_v2} {[files]network_v2}
 
 [testenv:py3]
-commands = {envpython} -m pytest -m "not hypothesis_slow" --cov=cloud-init --cov-branch {posargs:tests/unittests}
+commands = {envpython} -m pytest -m "not hypothesis_slow" --cov=cloudinit --cov-branch {posargs:tests/unittests}
 
 [testenv:py3-fast]
 deps =
@@ -151,6 +151,15 @@ commands = {envpython} -m pytest \
 [testenv:py3-leak]
 commands = {envpython} -X tracemalloc=40 -Wall -m pytest {posargs:tests/unittests}
 
+# generates html coverage report from the most recent pytest run
+[testenv:coverage-html]
+deps = {[testenv]deps}
+commands = coverage html -i
+
+# prints out the coverage report "table" from the most recent pytest run
+[testenv:coverage-report]
+deps = {[testenv]deps}
+commands = coverage report -i
 
 [testenv:lowest-supported]
 # Tox is going to install requirements from pip. This is fine for