Make nested test classes public to fix Doma entity requirements

Co-Authored-By: [email protected] <[email protected]>

Author: devin-ai-integration[bot]

doma-spring-boot-core/src/test/java/org/seasar/doma/boot/event/DomaApplicationListenerTest.java

@@ -23,7 +23,7 @@
 class DomaApplicationListenerTest {
 
 	@Nested
-	static class ConstructorTest {
+	public static class ConstructorTest {
 
 		@SuppressWarnings("unused")
 		@Test
@@ -184,7 +184,7 @@ void handle(TestEntity1 entity, PreInsertContext<TestEntity1> context) {
 	}
 
 	@Nested
-	static class OnApplicationEventTest {
+	public static class OnApplicationEventTest {
 
 		@Test
 		void handleEvent() throws Exception {