[BAEL-16005] moved articles from libraries to libraries-security and libraries testing. Renamed TinkUnitTest to TinkLiveTest failing due InvalidKeyException

libraries-testing/src/test/java/com/baeldung/serenity/spring/RandomNumberUtil.java

@@ -0,0 +1,13 @@
+package com.baeldung.serenity.spring;
+
+import org.apache.commons.lang3.RandomUtils;
+
+/**
+ * @author aiet
+ */
+public class RandomNumberUtil {
+
+    public static int randomInt() {
+        return RandomUtils.nextInt(1, 10);
+    }
+}