diff --git a/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/convert/StringToPeriodConverterTest.java b/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/convert/StringToPeriodConverterTests.java
similarity index 99%
rename from spring-boot-project/spring-boot/src/test/java/org/springframework/boot/convert/StringToPeriodConverterTest.java
rename to spring-boot-project/spring-boot/src/test/java/org/springframework/boot/convert/StringToPeriodConverterTests.java
index 62373c6c57..e3a28c26b0 100644
--- a/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/convert/StringToPeriodConverterTest.java
+++ b/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/convert/StringToPeriodConverterTests.java
@@ -33,7 +33,7 @@ import static org.assertj.core.api.Assertions.assertThat;
  * @author Eddú Meléndez
  * @author Edson Chávez
  */
-public class StringToPeriodConverterTest {
+class StringToPeriodConverterTests {
 
 	@ConversionServiceTest
 	void convertWhenIso8601ShouldReturnPeriod(ConversionService conversionService) {