fix checkstyle

Author: nosan

spring-boot-project/spring-boot-testcontainers/src/main/java/org/springframework/boot/testcontainers/context/TestcontainersBeanRegistrationAotProcessor.java

@@ -83,8 +83,9 @@ public CodeBlock generateInstanceSupplierCode(GenerationContext generationContex
 			Class<?> beanClass = this.registeredBean.getBeanClass();
 			Class<?> testClass = this.field.getDeclaringClass();
 			String fieldName = this.field.getName();
-			GeneratedMethod generatedMethod = beanRegistrationCode.getMethods().add("getInstance", (method) -> {
-				method.addJavadoc("Get the bean instance for '$L'.", this.registeredBean.getBeanName())
+			GeneratedMethod generatedMethod = beanRegistrationCode.getMethods()
+				.add("getInstance", (method) -> method
+					.addJavadoc("Get the bean instance for '$L'.", this.registeredBean.getBeanName())
 					.addModifiers(Modifier.PRIVATE, Modifier.STATIC)
 					.returns(beanClass)
 					.addStatement("$T<?> testClass = $T.forName($S, null)", Class.class, ClassUtils.class,
@@ -98,8 +99,7 @@ public CodeBlock generateInstanceSupplierCode(GenerationContext generationContex
 					.addStatement("$T.notNull(container, $S)", Assert.class,
 							"Container field '" + fieldName + "' must not have a null value")
 					.addStatement("return container")
-					.addException(ClassNotFoundException.class);
-			});
+					.addException(ClassNotFoundException.class));
 			return CodeBlock.of("$T.using($T::$L)", InstanceSupplier.class, beanRegistrationCode.getClassName(),
 					generatedMethod.getName());
 		}