Prefer wikipedia page titles over wikidata labels

Close #28

tests/NodaWikidataFetcherTest.php

@@ -471,4 +471,21 @@ Transclusion expansion time report (%,ms,calls,template)
         $mysqli->close();
 
     }
+
+    /**
+     * Test that fetching translation from Wikidata returns the title of the wikipedia page,
+     * not the wikidata title.
+     *
+     * @return void
+     */
+    public function testListTranslationsFromWikidataWikipediaReturnsWikipediaTitle():void {
+
+        $data = NodaWikidataFetcher::getWikidataEntity("Q33550");
+
+        $output = NodaWikidataFetcher::listTranslationsFromWikidataWikipedia(["de"], $data);
+        self::assertNotEmpty($output['de']);
+
+        self::assertEquals("Friedrich II. (Preußen)", $output['de']['label']);
+
+    }
 }