Update unit tests and add badge

.github/workflows/phpunit-tests.yml

@@ -16,19 +16,12 @@ on:
   workflow_dispatch:
 
 jobs:
-  # Runs PHPUnit testing.
   #
-  # Violations are reported inline with annotations.
+  # Creates a PHPUnit test job for each PHP/MySQL combination.
   #
-  # Performs the following steps:
-  # - Checks out the repository.
-  # - Sets up PHP.
-  # - Logs debug information.
-  # - Installs Composer dependencies (use cache if possible).
-  # - Runs PHPUnit on the full codebase.
   phpunit:
     name: PHP ${{ matrix.php || '7.4' }} | ${{ 'mariadb' == matrix.db-type && 'MariaDB' || 'MySQL' }}
-    uses: pedro-mendonca/Translation-Stats/.github/workflows/reusable-phpunit-tests.yml@dev
+    uses: pedro-mendonca/Translation-Stats/.github/workflows/reusable-phpunit-tests.yml@master
 
     strategy:
       fail-fast: false

README.md

@@ -14,6 +14,7 @@ Show plugins translation stats on your WordPress install.
 [![WordPress Plugin: Tested WP Version](https://img.shields.io/wordpress/plugin/tested/translation-stats.svg?label=WordPress%20Tested&logo=wordpress)](https://wordpress.org/plugins/translation-stats/)
 
 [![Coding Standards](https://github.com/pedro-mendonca/Translation-Stats/actions/workflows/coding-standards.yml/badge.svg)](https://github.com/pedro-mendonca/Translation-Stats/actions/workflows/coding-standards.yml)
+[![Unit Tests](https://github.com/pedro-mendonca/Translation-Stats/actions/workflows/phpunit-tests.yml/badge.svg)](https://github.com/pedro-mendonca/Translation-Stats/actions/workflows/phpunit-tests.yml)
 [![Static Analysis](https://github.com/pedro-mendonca/Translation-Stats/actions/workflows/static-analysis.yml/badge.svg)](https://github.com/pedro-mendonca/Translation-Stats/actions/workflows/static-analysis.yml)
 [![WP Plugin Check](https://github.com/pedro-mendonca/Translation-Stats/actions/workflows/plugin-check.yml/badge.svg)](https://github.com/pedro-mendonca/Translation-Stats/actions/workflows/plugin-check.yml)
 [![Codacy Badge](https://api.codacy.com/project/badge/Grade/bcd1b44a1d6542e2b75b7b479ce56804)](https://www.codacy.com/app/pedro-mendonca/Translation-Stats?utm_source=github.com&utm_medium=referral&utm_content=pedro-mendonca/Translation-Stats&utm_campaign=Badge_Grade)