BAEL-4322 add sample codes for dynamic delay setting (#10531)

Co-authored-by: Yavuz Tas <ytas@vwd.com>

spring-scheduling/src/test/java/com/baeldung/scheduling/DynamicSchedulingIntegrationTest.java

@@ -0,0 +1,19 @@
+package com.baeldung.scheduling;
+
+import com.baeldung.scheduling.dynamic.DynamicSchedulingConfig;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.test.context.support.AnnotationConfigContextLoader;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration(classes = {
+  DynamicSchedulingConfig.class}, loader = AnnotationConfigContextLoader.class)
+public class DynamicSchedulingIntegrationTest {
+
+    @Test
+    public void testTickServiceTick() throws InterruptedException {
+        Thread.sleep(6000);
+    }
+}