Polish

See gh-8879

spring-boot-devtools/src/test/java/org/springframework/boot/devtools/autoconfigure/DevToolsPooledDataSourceAutoConfigurationTests.java

@@ -69,7 +69,7 @@ public class DevToolsPooledDataSourceAutoConfigurationTests
 	}
 
 	@Test
-	public void inMemoryh2IsShutdown() throws SQLException {
+	public void inMemoryH2IsShutdown() throws SQLException {
 		ConfigurableApplicationContext context = createContext("org.h2.Driver",
 				"jdbc:h2:mem:test", DataSourceAutoConfiguration.class,
 				DataSourceSpyConfiguration.class);