Don't hide Karma coverage reports

This patch updates the file names of the coverage reports so they are
visible by default on most systems. Also updates the .gitignore, so the
new files are not pushed to the Horizon repo.

DocImpact

Closes-Bug: 1508526
Change-Id: I3c1c8f4c88819e2f49b60722ea8cc37bdc711b8c

.gitignore

@@ -10,6 +10,7 @@
 .noseids
 .DS_STORE
 coverage.xml
+coverage-karma
 nosetests.xml
 pep8.txt
 pylint.txt

doc/source/ref/run_tests.rst

@@ -143,7 +143,7 @@ such features as code coverage.  Karma allows developer to run tests live,
 as it can watch source and test files for changes.
 
 The default configuration also performs coverage reports, which are saved
-to ``horizon/.coverage-karma/`` and ``openstack_dashboard/.coverage-karma/``.
+to ``horizon/coverage-karma/`` and ``openstack_dashboard/coverage-karma/``.
 
 To run the Karma tests for Horizon and Dashboard using the `run_tests.sh`
 script::

doc/source/topics/javascript_testing.rst

@@ -46,8 +46,8 @@ developing, be sure to check the coverage reports on the master branch and
 compare your development branch; this will help identify missing tests.
 
 To generate coverage reports, run ``npm run test``. The coverage reports can be
-found at ``horizon/.coverage-karma/`` (framework tests) and
+found at ``horizon/coverage-karma/`` (framework tests) and
-``openstack_dashboard/.coverage-karma/`` (dashboard tests). Load
+``openstack_dashboard/coverage-karma/`` (dashboard tests). Load
 ``<browser>/index.html`` in a browser to view the reports.
 
 Writing Tests

horizon/karma.conf.js

@@ -145,7 +145,7 @@ module.exports = function (config) {
 
     coverageReporter: {
       type: 'html',
-      dir: '../.coverage-karma/'
+      dir: '../coverage-karma/'
     },
 
     // Coverage threshold values.

openstack_dashboard/karma.conf.js

@@ -186,7 +186,7 @@ module.exports = function (config) {
     // Places coverage report in HTML format in the subdirectory below.
     coverageReporter: {
       type: 'html',
-      dir: './.coverage-karma/'
+      dir: './coverage-karma/'
     },
 
     // Coverage threshold values.