HADOOP-19425. Improve Some Code.

Author: slfan1989

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/extensions/TestCustomOauthTokenProvider.java

@@ -21,7 +21,7 @@
 import java.net.URI;
 import java.util.Date;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.azurebfs.AbfsConfiguration;

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/extensions/TestDTManagerLifecycle.java

@@ -175,8 +175,8 @@ public void testRenewalThroughManager() throws Throwable {
         (StubAbfsTokenIdentifier) dt.decodeIdentifier();
     String idStr = dtId.toString();
     assertEquals(FSURI, dtId.getUri(), "URI in " + idStr);
-    assertEquals("renewer in " + idStr,
-        RENEWER, dtId.getRenewer().toString());
+    assertEquals(RENEWER, dtId.getRenewer().toString(),
+        "renewer in " + idStr);
     manager.renewDelegationToken(dt);
     assertEquals(1, stub.getRenewals(), "Renewal count in " + stub);
     manager.cancelDelegationToken(dt);