code improvement for java17 support

Author: bnasslahsen

springdoc-openapi-native/src/test/java/test/org/springdoc/api/app1/TestApplicationTests.java

@@ -22,6 +22,7 @@
 
 package test.org.springdoc.api.app1;
 
+import org.junit.jupiter.api.Test;
 import org.springframework.boot.SpringBootConfiguration;
 import org.springframework.boot.test.context.SpringBootTest;
 
@@ -31,7 +32,7 @@ class TestApplicationTests  {
 	@SpringBootConfiguration
 	static class SpringDocTestApp {}
 
-	//@Test
+	@Test
 	void contextLoads() {}
 
 }