public class ChgrprCommandTest extends AbstractTfsShellTest {
@Test
public void chgrprTest() throws IOException, TachyonException {
Whitebox.setInternalState(LoginUser.class, "sLoginUser", (String) null);
mFsShell.run("mkdir", "/testFolder1");
<BUG>TachyonFSTestUtils.createByteFile(mTfs, "/testFolder1/testFile", TachyonStorageType.STORE,

UnderStorageType.NO_PERSIST, 10);
mFsShell.run("chgrpr", "group1", "/testFolder1");
TachyonFile tf = mTfs.open(new TachyonURI("/testFolder1/testFile"));
String group = mTfs.getInfo(tf).getGroupName();</BUG>
Assert.assertEquals("group1", group);

public class ChgrprCommandTest extends AbstractTfsShellTest {
@Test
public void chgrprTest() throws IOException, TachyonException {
Whitebox.setInternalState(LoginUser.class, "sLoginUser", (String) null);
mFsShell.run("mkdir", "/testFolder1");
TachyonFSTestUtils.createByteFile(mTfs, "/testFolder1/testFile", WriteType.MUST_CACHE, 10);
mFsShell.run("chgrpr", "group1", "/testFolder1");
String group = mTfs.getStatus(new TachyonURI("/testFolder1/testFile")).getGroupName();
Assert.assertEquals("group1", group);
