BAEL-7544: Disable enable scheduling on spring tests (#16125)

* BEAL-7544: Add examples showing how to disable scheduled tasks for testing

* BEAL-7544: Get rid of final keywords

* BEAL-7544: Add the config and test showing the case when the scheduling is simply turned on

* BEAL-7544: Introduce amendments after review

- add initialDelayString param to the scheduled annotation on the tested method
- delete unnecessary unit test

* BEAL-7544: Move code to new module

pom.xml

@@ -826,6 +826,7 @@
                 <module>spring-reactive-modules</module>
                 <module>spring-remoting-modules</module> <!-- Upgrade to Boot 3 not possible as since Spring 6 the remoting modules has been removed from Spring. -->
                 <module>spring-scheduling</module>
+                <module>spring-scheduling-2</module>
                 <module>spring-security-modules</module>
                 <module>spring-shell</module>
                 <module>spring-soap</module>
@@ -1074,6 +1075,7 @@
                 <module>spring-reactive-modules</module>
                 <module>spring-remoting-modules</module> <!-- Upgrade to Boot 3 not possible as since Spring 6 the remoting modules has been removed from Spring. -->
                 <module>spring-scheduling</module>
+                <module>spring-scheduling-2</module>
                 <module>spring-security-modules</module>
                 <module>spring-shell</module>
                 <module>spring-soap</module>