Resolve "Die Statistiken sollten auch in ElasticSearch hinterlegt werden."

Related to #384 (closed)

src/test/java/at/ac/uibk/gitsearch/service/criteria/GeneralCriteriaTests.java

+package at.ac.uibk.gitsearch.service.criteria;
+
+import at.ac.uibk.gitsearch.testingUtilities.PropertiesTester;
+
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.ValueSource;
+
+import tech.jhipster.service.Criteria;
+
+class GeneralCriteriaTests {
+
+    @ParameterizedTest
+    @ValueSource(classes = { LikesCriteria.class, ReviewCriteria.class, ReviewHistoryEntryCriteria.class,
+            ReviewRatingCriteria.class, SavedSearchesCriteria.class, StatisticsCriteria.class,
+            UserWatchListCriteria.class, WatchListEntryCriteria.class })
+    void testWithPropertiesTester(Class<Criteria> criteriaClass) {
+        PropertiesTester pt = new PropertiesTester();
+
+        pt.testProperties(criteriaClass);
+    }
+
+}