format

Author: JoeWang1127

java-sdk-logging/logback-extension/src/test/java/com/google/api/logging/SDKLoggingMdcJsonProviderTest.java

@@ -49,7 +49,7 @@
 import org.junit.jupiter.api.Test;
 import org.mockito.InOrder;
 
-public class SDKLoggingMdcJsonProviderTest {
+class SDKLoggingMdcJsonProviderTest {
 
   private SDKLoggingMdcJsonProvider provider = new SDKLoggingMdcJsonProvider();
   private JsonGenerator generator = mock(JsonGenerator.class);