Resolve "Easy Access to ReadMe.md (and potentially other files)"

Related to #111 (closed)

src/test/java/at/ac/uibk/gitsearch/repository/search/MetaDataRepositoryIT.java

@@ -65,6 +65,12 @@ public class MetaDataRepositoryIT {
 		assertThat(contributorAutoComplete, contains(hasProperty("target", is("Daniel Bastta"))));
 	}
 
+	@Test
+	public void testProgrammingLanguageAutocompletion() throws IOException {
+		final List<AutoCompleteEntry> plAutoComplete = metaDataRepository.getProgrammingLanguageAutoComplete("Ja");
+		assertThat(plAutoComplete, contains(hasProperty("target", is("Java"))));
+	}
+
 	@Test
 	public void getByExerciseId() throws IOException {
 		// This test assumes that the test entries have consecutive ids