disable too many methods warning

Author: Alan-95-hub

src/test/java/org/cactoos/list/NoNullsTest.java

@@ -18,6 +18,7 @@
  * @since 0.35
  * @checkstyle JavadocMethodCheck (500 lines)
  */
+@SuppressWarnings("PMD.TooManyMethods")
 final class NoNullsTest {
 
     @Test