public function test_addConfigValuesFromPluginSettings_shouldAddDescriptionAndDefaultValueForExistingConfigValues()
{
$settings = new SystemSettings();
$existing = array('ExampleSettingsPlugin' => array('metric' => array('value' => NULL, 'description' => '', 'isCustomValue' => false, 'defaultValue' => null)));
$configValues = $this->configReader->addConfigValuesFromSystemSettings($existing, array($settings));
$this->assertSame('Choose the metric that should be displayed in the browser tab', $configValues['ExampleSettingsPlugin']['metric']['description']);
$this->assertSame('nb_visits', $configValues['ExampleSettingsPlugin']['metric']['defaultValue']);
}