GH-77 - Avoid exposing TestUtils to user applications.

Moved TestUtils from spring-modulith-test to spring-modulith-integration-test as it's only used there and doesn't need to be exposed to user applications.

Author: odrotbohm

spring-modulith-integration-test/src/test/java/com/acme/myproject/moduleB/ModuleBTest.java

@@ -24,8 +24,8 @@
 import org.springframework.boot.autoconfigure.AutoConfigurationPackages;
 import org.springframework.boot.test.mock.mockito.MockBean;
 import org.springframework.context.ApplicationContext;
-import org.springframework.modulith.test.ApplicationModuleTest.BootstrapMode;
 import org.springframework.modulith.test.TestUtils;
+import org.springframework.modulith.test.ApplicationModuleTest.BootstrapMode;
 
 import com.acme.myproject.NonVerifyingModuleTest;
 import com.acme.myproject.moduleA.ServiceComponentA;

spring-modulith-integration-test/src/test/java/com/acme/myproject/moduleC/ModuleCTest.java

@@ -21,8 +21,8 @@
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.mock.mockito.MockBean;
-import org.springframework.modulith.test.ApplicationModuleTest.BootstrapMode;
 import org.springframework.modulith.test.TestUtils;
+import org.springframework.modulith.test.ApplicationModuleTest.BootstrapMode;
 
 import com.acme.myproject.NonVerifyingModuleTest;
 import com.acme.myproject.moduleA.ServiceComponentA;