Spark graphx moved to a new project due to a incompatibility of scala compiler

libraries-apache-commons/src/test/java/com/baeldung/text/DiffUnitTest.java

@@ -0,0 +1,18 @@
+package com.baeldung.text;
+
+import org.apache.commons.text.diff.EditScript;
+import org.apache.commons.text.diff.StringsComparator;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class DiffUnitTest {
+
+    @Test
+    public void whenEditScript_thenCorrect() {
+        StringsComparator cmp = new StringsComparator("ABCFGH", "BCDEFG");
+        EditScript<Character> script = cmp.getScript();
+        int mod = script.getModifications();
+
+        Assert.assertEquals(4, mod);
+    }
+}