@Test
public void testToJSONArrayWithEmptyAssetCategoryMetrics() {

	AssetVocabularyMetric assetVocabularyMetric = new AssetVocabularyMetric(
		RandomTestUtil.randomString(), RandomTestUtil.randomString());
	Assert.assertEquals(
		String.valueOf(JSONFactoryUtil.createJSONArray()),
		String.valueOf(assetVocabularyMetric.toJSONArray()));
}