Probando a agregar tests xD

src/danielcortes/xyz/utils/StringUtils.java

@@ -25,7 +25,7 @@
 package danielcortes.xyz.utils;
 
 public class StringUtils {
-    public static String toUpperCase(String string){
+    public static String capitalize(String string){
         return string.substring(0, 1).toUpperCase() + string.substring(1);
     }
 }