BAEL-972 - Apache Commons Text (#2178)

* Evaluation article: Different Types of Bean Injection in Spring

* added tests & changed configuration to Java-based config

* removed xml config files

* rename unit tests

* BAEL-972 - Apache Commons Text

* remove code from evaluation article

* remove code from evaluation article

libraries/src/test/java/com/baeldung/text/DiffTest.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 DiffTest {
+    
+    @Test
+    public void whenEditScript_thenCorrect() {
+        StringsComparator cmp = new StringsComparator("ABCFGH", "BCDEFG");
+        EditScript<Character> script = cmp.getScript();
+        int mod = script.getModifications();
+        
+        Assert.assertEquals(4, mod);
+    }
+}