add integration test profile

spring-mvc-java/src/test/java/com/baeldung/circulardependency/TestConfig.java

@@ -0,0 +1,10 @@
+package com.baeldung.circulardependency;
+
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+@ComponentScan(basePackages = { "com.baeldung.circulardependency" })
+public class TestConfig {
+
+}