[BAEL-3392] Formatted code examples for [BAEL-3392]

spring-batch/src/test/java/org/baeldung/SpringContextTest.java

@@ -0,0 +1,12 @@
+package org.baeldung;
+
+import org.baeldung.batch.App;
+import org.junit.Test;
+
+public class SpringContextTest {
+
+    @Test
+    public void testMain() throws Exception {
+        App.main(null);
+    }
+}