Use Java 7 method instead of Apache Commons Lang 3.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/csv/trunk@1748095 13f79535-47bb-0310-9956-ffa450edef68

Author: garydgregory

src/test/java/org/apache/commons/csv/CSVPrinterTest.java

@@ -35,9 +35,9 @@
 import java.util.Iterator;
 import java.util.LinkedList;
 import java.util.List;
+import java.util.Objects;
 import java.util.Random;
 
-import org.apache.commons.lang3.ObjectUtils;
 import org.junit.Assert;
 import org.junit.Ignore;
 import org.junit.Test;
@@ -111,7 +111,7 @@ private void doRandom(final CSVFormat format, final int iter) throws Exception {
     private <T> T[] expectNulls(final T[] original, final CSVFormat csvFormat) {
         final T[] fixed = original.clone();
         for (int i = 0; i < fixed.length; i++) {
-            if (ObjectUtils.equals(csvFormat.getNullString(), fixed[i])) {
+            if (Objects.equals(csvFormat.getNullString(), fixed[i])) {
                 fixed[i] = null;
             }
         }