diff --git a/jetcd-core/src/main/java/io/etcd/jetcd/support/Errors.java b/jetcd-core/src/main/java/io/etcd/jetcd/support/Errors.java
old mode 100644
new mode 100755
index 88dd02bd..2b825aad
--- a/jetcd-core/src/main/java/io/etcd/jetcd/support/Errors.java
+++ b/jetcd-core/src/main/java/io/etcd/jetcd/support/Errors.java
@@ -27,7 +27,8 @@ private Errors() {
     }
 
     public static boolean isRetryable(Status status) {
-        return Status.UNAVAILABLE.getCode().equals(status.getCode()) || isInvalidTokenError(status) || isAuthStoreExpired(status);
+        return Status.UNAVAILABLE.getCode().equals(status.getCode()) || isInvalidTokenError(status)
+            || isAuthStoreExpired(status);
     }
 
     public static boolean isInvalidTokenError(Throwable e) {
diff --git a/jetcd-core/src/test/java/io/etcd/jetcd/impl/auth/AuthTokenRefreshTest.java b/jetcd-core/src/test/java/io/etcd/jetcd/impl/auth/AuthTokenRefreshTest.java
old mode 100644
new mode 100755
index c32487e9..f0f05e41
--- a/jetcd-core/src/test/java/io/etcd/jetcd/impl/auth/AuthTokenRefreshTest.java
+++ b/jetcd-core/src/test/java/io/etcd/jetcd/impl/auth/AuthTokenRefreshTest.java
@@ -1,5 +1,15 @@
 package io.etcd.jetcd.impl.auth;
 
+import java.io.File;
+import java.util.List;
+import java.util.Objects;
+import java.util.concurrent.TimeUnit;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.Timeout;
+import org.junit.jupiter.api.extension.RegisterExtension;
+
 import io.etcd.jetcd.ByteSequence;
 import io.etcd.jetcd.Client;
 import io.etcd.jetcd.KV;
@@ -7,35 +17,25 @@
 import io.etcd.jetcd.impl.TestUtil;
 import io.etcd.jetcd.kv.GetResponse;
 import io.etcd.jetcd.test.EtcdClusterExtension;
-import org.junit.jupiter.api.Assertions;
-import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.Timeout;
-import org.junit.jupiter.api.extension.RegisterExtension;
-
-import java.io.File;
-import java.util.List;
-import java.util.Objects;
-import java.util.concurrent.TimeUnit;
 
 @Timeout(value = 30)
 public class AuthTokenRefreshTest {
 
     @RegisterExtension
     public static final EtcdClusterExtension cluster = EtcdClusterExtension.builder()
-            .withNodes(1)
-            .withSsl(true)
-            .withAdditionalArgs(
-                    List.of(
-                            "--auth-token",
-                            "jwt,pub-key=/etc/ssl/etcd/server.pem,priv-key=/etc/ssl/etcd/server-key.pem,sign-method=RS256,ttl=300s"))
-            .build();
+        .withNodes(1)
+        .withSsl(true)
+        .withAdditionalArgs(
+            List.of(
+                "--auth-token",
+                "jwt,pub-key=/etc/ssl/etcd/server.pem,priv-key=/etc/ssl/etcd/server-key.pem,sign-method=RS256,ttl=300s"))
+        .build();
 
     private static final ByteSequence key = TestUtil.bytesOf("key");
     private static final ByteSequence keyEnd = TestUtil.bytesOf("key1");
     private static final ByteSequence user = TestUtil.bytesOf("root");
     private static final ByteSequence password = TestUtil.randomByteSequence();
 
-
     @Test
     public void testTokenIsRefreshedWhenRevisionsIsOld() throws Exception {
         setUpEnvironment();
@@ -63,14 +63,13 @@ public void testTokenIsRefreshedWhenRevisionsIsOld() throws Exception {
         Assertions.assertEquals(value, getResponse.getKvs().get(0).getValue());
     }
 
-
     private void setUpEnvironment() throws Exception {
         final File caFile = new File(Objects.requireNonNull(getClass().getResource("/ssl/cert/ca.pem")).toURI());
 
         Client client = TestUtil.client(cluster)
-                .authority("etcd0")
-                .sslContext(b -> b.trustManager(caFile))
-                .build();
+            .authority("etcd0")
+            .sslContext(b -> b.trustManager(caFile))
+            .build();
 
         // enable authentication to enforce usage of access token
         ByteSequence role = TestUtil.bytesOf("root");
@@ -88,12 +87,11 @@ private Client createAuthClient() throws Exception {
         final File caFile = new File(Objects.requireNonNull(getClass().getResource("/ssl/cert/ca.pem")).toURI());
 
         return TestUtil.client(cluster)
-                .user(user)
-                .password(password)
-                .authority("etcd0")
-                .sslContext(b -> b.trustManager(caFile))
-                .build();
+            .user(user)
+            .password(password)
+            .authority("etcd0")
+            .sslContext(b -> b.trustManager(caFile))
+            .build();
     }
 
 }
-