func (config *TierConfigMgr) Edit(ctx context.Context, tierName string, creds madmin.TierCreds) error {
	config.Lock()
	defer config.Unlock()

	// check if tier by this name exists
	tierType, exists := config.isTierNameInUse(tierName)
	if !exists {
		return errTierNotFound
	}

	cfg := config.Tiers[tierName]
	switch tierType {
	case madmin.S3:
		if creds.AWSRole {
			cfg.S3.AWSRole = true
		}

        // ## Act & Assert ##
        assertTrue(Curl.tmpDir.isDirectory());
    }

    @Test
    public void test_TmpDirExists() {
        // ## Test that tmpDir exists ##

        // ## Act & Assert ##
        assertTrue(Curl.tmpDir.exists());
    }

    @Test
    public void test_TmpDirMatchesSystemProperty() {
        // ## Test that tmpDir matches system property ##

        // ## Act ##

    assertLockHeld()

    if (initialized) {
      return // Already initialized.
    }

    // If a bkp file exists, use it instead.
    if (fileSystem.exists(journalFileBackup)) {
      // If journal file also exists just delete backup file.
      if (fileSystem.exists(journalFile)) {
        fileSystem.delete(journalFileBackup)
      } else {
        fileSystem.atomicMove(journalFileBackup, journalFile)

    fi ;
    sleep 2 ; # 1 second intervals between attempts
    $MC_COMMAND ;
    STATUS=$? ;
  done ;
  set -e ; # reset `e` as active
  return 0
}

# checkPolicyExists ($policy)
# Check if the policy exists, by using the exit code of `mc admin policy info`
checkPolicyExists() {
  POLICY=$1
  CMD=$(${MC} admin policy info myminio $POLICY > /dev/null 2>&1)
  return $?
}

# createPolicy($name, $filename)

    /** The object name is invalid */
    int NT_STATUS_OBJECT_NAME_INVALID = 0xC0000033;
    /** The object was not found */
    int NT_STATUS_OBJECT_NAME_NOT_FOUND = 0xC0000034;
    /** The object name already exists */
    int NT_STATUS_OBJECT_NAME_COLLISION = 0xC0000035;
    /** The port is disconnected */
    int NT_STATUS_PORT_DISCONNECTED = 0xC0000037;
    /** The object path is invalid */

        Files.write(tempFile.toPath(), "Hello, World!".getBytes());
        assertTrue(tempFile.exists());

        ContentCache cache = new ContentCache(tempFile);

        // Close should delete the file
        cache.close();

        assertFalse(tempFile.exists());
    }

    @Test
    public void testFileBasedCacheGetInputStreamAfterClose() throws IOException {

	}

	target.SourceBucket = bucket
	var ops []madmin.TargetUpdateType
	if update {
		ops = madmin.GetTargetUpdateOps(r.Form)
	} else {
		var exists bool // true if arn exists
		target.Arn, exists = globalBucketTargetSys.getRemoteARN(bucket, &target, "")
		if exists && target.Arn != "" { // return pre-existing ARN
			data, err := json.Marshal(target.Arn)
			if err != nil {

            ArtifactRepository remoteRepository = remoteRepository();
            File deployedFile = new File(remoteRepository.getBasedir(), remoteRepository.pathOf(artifact));
            assertTrue(deployedFile.exists(), "Expected " + deployedFile + ".exists() to return true");
            assertEquals("dummy", new String(Files.readAllBytes(deployedFile.toPath()), StandardCharsets.UTF_8).trim());
        } finally {
            sessionScope.exit();
        }

            "The process cannot access the file because another process has locked a portion of the file.", "The disk is full.",
            "A duplicate name exists on the network.", "The network name cannot be found.", "ERRnomoreconn.", "The file exists.",
            "The parameter is incorrect.", "Too many Uids active on this session.",

            "The process cannot access the file because another process has locked a portion of the file.", "The disk is full.",
            "A duplicate name exists on the network.", "The network name cannot be found.", "ERRnomoreconn.", "The file exists.",
            "The parameter is incorrect.", "Too many Uids active on this session.",