added IT for searchservice

src/test/java/at/ac/uibk/gitsearch/service/SearchServiceIT.java

@@ -142,6 +142,17 @@ public class SearchServiceIT {
 
 	}
 
+	@Test
+	public void testEmailSearch() throws IOException {
+		searchClient.getLowLevelClient().getNodes().forEach(n -> {LOGGER.info("Using node {}", n);});
+		SearchResultsDTO searchResultPage = searchService.searchResultForAuthorEmail("stefan.podlipnig@tuwien.ac.at", SearchInputDTO.PAGE_SIZE);
+		org.junit.Assert.assertNotNull(searchResultPage.getSearchResult());
+		org.junit.Assert.assertTrue("At least one test hit", searchResultPage.getHitCount() >= 1);
+		assertThat(searchResultPage.getSearchResult(), everyItem(hasProperty("metadata",
+				hasProperty("creator", hasItemInArray(hasProperty("email", containsString("stefan.podlipnig@tuwien.ac.at")))))));
+
+	}
+
 	@Test
 	public void testKeywordSearch() throws IOException {
 		final SearchInputMetadataDTO searchMetadata = new SearchInputMetadataDTO(null, "latex", null, null, null);