Correctly nest with or without test group input.

.github/workflows/reusable-phpunit-tests-v3.yml

@@ -105,7 +105,7 @@ jobs:
   # - Checks out the WordPress Test reporter repository.
   # - Submit the test results to the WordPress.org host test results.
   phpunit-tests:
-    name: ${{ inputs.phpunit-test-groups && format( '{0} / ', inputs.phpunit-test-groups ) || '' }}PHP ${{ inputs.php }} ${{ ! inputs.coverage-report && '' || 'with ' }}${{ 'mariadb' == inputs.db-type && 'MariaDB' || 'MySQL' }} ${{ inputs.db-version }}${{ inputs.multisite && ' multisite' || '' }}${{ inputs.memcached && ' with memcached' || '' }}${{ inputs.report && ' (test reporting enabled)' || '' }} ${{ 'example.org' != inputs.tests-domain && inputs.tests-domain || '' }}
+    name: ${{ inputs.phpunit-test-groups && format( '{0} / ', inputs.phpunit-test-groups ) || '' }}PHP ${{ inputs.php }} ${{ ! inputs.coverage-report && ! inputs.phpunit-test-groups && '/ ' || ! inputs.coverage-report && '/ ' || 'with ' }}${{ 'mariadb' == inputs.db-type && 'MariaDB' || 'MySQL' }} ${{ inputs.db-version }}${{ inputs.multisite && ' multisite' || '' }}${{ inputs.memcached && ' with memcached' || '' }}${{ inputs.report && ' (test reporting enabled)' || '' }} ${{ 'example.org' != inputs.tests-domain && inputs.tests-domain || '' }}
     runs-on: ${{ inputs.os }}
     timeout-minutes: ${{ inputs.coverage-report && 120 || 20 }}