MAPREDUCE-7421. Fix CheckStyle & UnitTest.

Author: fanshilun

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/TestCounters.java

@@ -49,19 +49,19 @@ public void testCounterValue() {
       long expectedValue = initValue;
       Counter counter = new Counters().findCounter("test", "foo");
       counter.setValue(initValue);
-      assertEquals(
-         expectedValue, counter.getValue(), "Counter value is not initialized correctly");
+      assertEquals(expectedValue, counter.getValue(),
+          "Counter value is not initialized correctly");
       for (int j = 0; j < NUMBER_INC; j++) {
         int incValue = rand.nextInt();
         counter.increment(incValue);
         expectedValue += incValue;
-        assertEquals(
-           expectedValue, counter.getValue(), "Counter value is not incremented correctly");
+        assertEquals(expectedValue, counter.getValue(),
+            "Counter value is not incremented correctly");
       }
       expectedValue = rand.nextInt();
       counter.setValue(expectedValue);
-      assertEquals(
-         expectedValue, counter.getValue(), "Counter value is not set correctly");
+      assertEquals(expectedValue, counter.getValue(),
+          "Counter value is not set correctly");
     }
   }
 

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/TestMRIntermediateDataEncryption.java

@@ -34,7 +34,6 @@
 import java.util.concurrent.atomic.AtomicLong;
 
 import org.junit.jupiter.api.AfterAll;
-import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.MethodSource;

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/lib/join/TestJoinProperties.java

@@ -322,7 +322,7 @@ private void validateOuterKeyValue(IntWritable k, TupleWritable v,
       assertTrue(val1.get() == 1, kvstr);
     }
 	if (val2 != null) {
-      assertTrue( val2.get() == 2, kvstr);
+      assertTrue(val2.get() == 2, kvstr);
     }
   }
 

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/v2/TestMRJobs.java

@@ -753,9 +753,9 @@ public void testFailingMapper() throws IOException, InterruptedException,
     }
 
     TaskCompletionEvent[] events = job.getTaskCompletionEvents(0, 2);
-    assertEquals(TaskCompletionEvent.Status.FAILED, 
+    assertEquals(TaskCompletionEvent.Status.FAILED,
         events[0].getStatus());
-    assertEquals(TaskCompletionEvent.Status.TIPFAILED, 
+    assertEquals(TaskCompletionEvent.Status.TIPFAILED,
         events[1].getStatus());
     assertEquals(JobStatus.State.FAILED, job.getJobState());
     verifyFailingMapperCounters(job);

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/v2/TestMRJobsWithProfiler.java

@@ -246,17 +246,17 @@ private void testProfilerInternal(boolean useDefault) throws Exception {
           final BufferedReader br = new BufferedReader(new InputStreamReader(
             localFs.open(profilePath)));
           final String line = br.readLine();
-          assertTrue(
-           line !=null && line.startsWith("JAVA PROFILE"), "No hprof content found!");
+          assertTrue(line !=null && line.startsWith("JAVA PROFILE"),
+              "No hprof content found!");
           br.close();
           assertEquals(0L, localFs.getFileStatus(stdoutPath).getLen());
         } else {
-          assertFalse(
-           localFs.exists(profilePath), "hprof file should not exist");
+          assertFalse(localFs.exists(profilePath),
+              "hprof file should not exist");
         }
       } else {
-        assertFalse(
-         localFs.exists(profilePath), "hprof file should not exist");
+        assertFalse(localFs.exists(profilePath),
+            "hprof file should not exist");
         if (tid.getTaskID().getId() == PROFILED_TASK_ID) {
           // reducer is profiled with Xprof
           final BufferedReader br = new BufferedReader(new InputStreamReader(