[EDIT]:アプリケーション名が異なっていたため、変更

src/main/java/com/example/demo/ShareBooksApplication.java

@@ -4,10 +4,10 @@ import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
 @SpringBootApplication
-public class MonegementApplication {
+public class ShareBooksApplication {
 
 	public static void main(String[] args) {
-		SpringApplication.run(MonegementApplication.class, args);
+		SpringApplication.run(ShareBooksApplication.class, args);
 	}
 
 }

src/main/resources/application.properties

@@ -1 +1 @@
-spring.application.name=Monegement
+spring.application.name=ShareBooks

src/test/java/com/example/demo/ShareBooksApplicationTests.java

@@ -4,7 +4,7 @@ import org.junit.jupiter.api.Test;
 import org.springframework.boot.test.context.SpringBootTest;
 
 @SpringBootTest
-class MonegementApplicationTests {
+class ShareBooksApplicationTests {
 
 	@Test
 	void contextLoads() {