Polish

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/SimpleMainTests.java

@@ -77,8 +77,9 @@ public class SimpleMainTests {
 
 	private String[] getArgs(String... args) {
 		List<String> list = new ArrayList<>(Arrays.asList(
-				"--spring.main.web-application-type=none", "--spring.main.showBanner=OFF",
-				"--spring.main.registerShutdownHook=false"));
+				"--spring.main.web-application-type=none",
+				"--spring.main.show-banner=OFF",
+				"--spring.main.register-shutdownHook=false"));
 		if (args.length > 0) {
 			list.add("--spring.main.sources="
 					+ StringUtils.arrayToCommaDelimitedString(args));