Fix MongoChatMemoryAutoConfigurationIT

 - Import MongoDB autoconfigurations via @EnableAutoConfiguration instead of manual import
 - Make SpringBootTest non-web environment

Signed-off-by: Ilayaperumal Gopinathan <ilayaperumal.gopinathan@broadcom.com>

Author: ilayaperumalg

auto-configurations/models/chat/memory/repository/spring-ai-autoconfigure-model-chat-memory-repository-mongodb/src/test/java/org/springframework/ai/model/chat/memory/repository/mongo/autoconfigure/MongoChatMemoryAutoConfigurationIT.java

@@ -27,16 +27,16 @@
 import org.springframework.ai.chat.memory.repository.mongo.Conversation;
 import org.springframework.ai.chat.messages.SystemMessage;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.boot.mongodb.autoconfigure.MongoAutoConfiguration;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.boot.testcontainers.service.connection.ServiceConnection;
+import org.springframework.context.annotation.Configuration;
 import org.springframework.data.mongodb.core.MongoTemplate;
 import org.springframework.test.context.TestPropertySource;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
-@SpringBootTest(classes = { MongoAutoConfiguration.class, MongoChatMemoryAutoConfiguration.class,
-		MongoChatMemoryIndexCreatorAutoConfiguration.class })
+@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.NONE)
 @TestPropertySource(properties = { "spring.ai.chat.memory.repository.mongo.create-indices=true" })
 class MongoChatMemoryAutoConfigurationIT {
 
@@ -77,4 +77,10 @@ void indicesShouldBeCreated() {
 		assertThat(this.mongoTemplate.indexOps(Conversation.class).getIndexInfo().size()).isEqualTo(2);
 	}
 
+	@Configuration
+	@EnableAutoConfiguration
+	static class TestConfiguration {
+
+	}
+
 }