HADOOP-19417. Fix CheckStyle.

Author: slfan1989

hadoop-common-project/hadoop-auth/src/test/java/org/apache/hadoop/security/authentication/server/TestJWTRedirectAuthenticationHandler.java

@@ -396,7 +396,8 @@ public void testOrigURLWithQueryString() throws Exception {
 
     String loginURL = handler.constructLoginURL(request);
     assertNotNull(loginURL, "loginURL should not be null.");
-    assertEquals("https://localhost:8443/authserver?originalUrl=" + SERVICE_URL + "?name=value", loginURL);
+    assertEquals("https://localhost:8443/authserver?originalUrl=" +
+        SERVICE_URL + "?name=value", loginURL);
   }
 
   @Test

hadoop-common-project/hadoop-auth/src/test/java/org/apache/hadoop/security/authentication/server/TestKerberosAuthenticationHandler.java

@@ -214,7 +214,7 @@ public void testDynamicPrincipalDiscovery() throws Exception {
       Principal principal = new KerberosPrincipal(
           user + "@" + KerberosTestUtils.getRealm());
       boolean expected = user.startsWith("HTTP/");
-      assertEquals(expected, 
+      assertEquals(expected,
           loginPrincipals.contains(principal), "checking for "+user);
     }
   }

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/TestFixKerberosTicketOrder.java

@@ -105,8 +105,7 @@ public Void run() throws Exception {
       }
     }
     // make sure the first ticket is not tgt
-    assertFalse(
-        subject.getPrivateCredentials().stream()
+    assertFalse(subject.getPrivateCredentials().stream()
         .filter(c -> c instanceof KerberosTicket)
         .map(c -> ((KerberosTicket) c).getServer().getName()).findFirst()
         .get().startsWith("krbtgt"), "The first ticket is still tgt, "