YARN-1979. TestDirectoryCollection fails when the umask is unusual. (Contributed by Vinod Kumar Vavilapalli and Tsuyoshi OZAWA)

(cherry picked from commit c7cee9b4551918d5d35bf4e9dc73982a050c73ba)

hadoop-yarn-project/CHANGES.txt

@@ -11,6 +11,9 @@ Release 2.7.0 - UNRELEASED
 
   IMPROVEMENTS
 
+    YARN-1979. TestDirectoryCollection fails when the umask is unusual.
+    (Vinod Kumar Vavilapalli and Tsuyoshi OZAWA via junping_du)
+
   OPTIMIZATIONS
 
   BUG FIXES

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestDirectoryCollection.java

@@ -31,9 +31,9 @@ import org.apache.hadoop.fs.FileUtil;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.fs.permission.FsPermission;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
-import org.junit.AfterClass;
+import org.junit.After;
 import org.junit.Assert;
-import org.junit.BeforeClass;
+import org.junit.Before;
 import org.junit.Test;
 
 public class TestDirectoryCollection {
@@ -42,14 +42,14 @@ public class TestDirectoryCollection {
       TestDirectoryCollection.class.getName()).getAbsoluteFile();
   private static final File testFile = new File(testDir, "testfile");
 
-  @BeforeClass
-  public static void setup() throws IOException {
+  @Before
+  public void setup() throws IOException {
     testDir.mkdirs();
     testFile.createNewFile();
   }
 
-  @AfterClass
-  public static void teardown() {
+  @After
+  public void teardown() {
     FileUtil.fullyDelete(testDir);
   }