Tighten class visibility

Author: turing85

src/main/java/de/turing85/spring/fileupload/FileUploadApplication.java

@@ -4,7 +4,7 @@
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
 @SpringBootApplication
-public class FileUploadApplication {
+class FileUploadApplication {
   public static void main(String... args) {
     SpringApplication.run(FileUploadApplication.class, args);
   }

src/test/java/de/turing85/spring/fileupload/FileUploadIT.java

@@ -11,5 +11,5 @@
 @CucumberContextConfiguration
 @ContextConfiguration(classes = FileUploadApplication.class)
 @SpringBootTest
-public class FileUploadIT {
+class FileUploadIT {
 }

src/test/java/de/turing85/spring/fileupload/TestApplication.java

@@ -3,5 +3,5 @@
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
 @SpringBootApplication
-public class TestApplication {
+class TestApplication {
 }