$configuration['default_value'] = 'test';
$this->plugin = new StaticMap($configuration, 'map', []);
$value = $this->plugin->transform(['bar'], $this->migrateExecutable, $this->row, 'destinationproperty');
$configuration['default_value'] = 'test';
$this->plugin = new StaticMap($configuration, 'map', []);
$value = $this->plugin->transform(['bar'], $this->migrateExecutable, $this->row, 'destinationproperty');