} else {
		s.testServer = StartTestServer(c, s.serverType)
	}

	s.client = s.testServer.Server.Client()
	s.endPoint = s.testServer.Server.URL
	s.accessKey = s.testServer.AccessKey
	s.secretKey = s.testServer.SecretKey
}

func (s *TestSuiteCommon) RestartTestServer(c *check) {
	// Shutdown.
	s.testServer.cancel()
	s.testServer.Server.Close()

				readableClaim, _ = accessKey.Claims[rc].(string)
			}
			openIDUserAccessKeys = madmin.OpenIDUserAccessKeys{
				MinioAccessKey: accessKey.ParentUser,
				ID:             id,
				ReadableName:   readableClaim,
			}
		}
		svcAccInfo := madmin.ServiceAccountInfo{
			AccessKey:  accessKey.AccessKey,
			Expiration: &accessKey.Expiration,
		}
		if accessKey.IsServiceAccount() {

		return
	}

	accessKey := mux.Vars(r)["accessKey"]
	if accessKey == "" {
		accessKey = cred.AccessKey
	}

	u, ok := globalIAMSys.GetUser(ctx, accessKey)
	targetCred := u.Credentials

	if !globalIAMSys.IsAllowed(policy.Args{
		AccountName:     cred.AccessKey,
		Groups:          cred.Groups,

		// Two different credentialss
		{cred, cred2, false},
		// Access key is different in credentials to compare.
		{cred, Credentials{AccessKey: "myuser", SecretKey: cred.SecretKey}, false},
		// Secret key is different in credentials to compare.
		{cred, Credentials{AccessKey: cred.AccessKey, SecretKey: "mypassword"}, false},
	}

	for i, testCase := range testCases {
		result := testCase.cred.Equal(testCase.ccred)

			return BucketRemoteTargetNotFound{Bucket: tgt.TargetBucket, Err: err}
		case "AccessDenied":
			return RemoteTargetConnectionErr{Bucket: tgt.TargetBucket, AccessKey: tgt.Credentials.AccessKey, Err: err}
		}
		return RemoteTargetConnectionErr{Bucket: tgt.TargetBucket, AccessKey: tgt.Credentials.AccessKey, Err: err}
	}
	if !exists {
		return BucketRemoteTargetNotFound{Bucket: tgt.TargetBucket}
	}
	if tgt.Type == madmin.ReplicationService {

	}

	r.Form.Del(xhttp.Expires)

	return ErrNone
}

func getReqAccessKeyV2(r *http.Request) (auth.Credentials, bool, APIErrorCode) {
	if accessKey := r.Form.Get(xhttp.AmzAccessKeyID); accessKey != "" {
		return checkKeyValid(r, accessKey)
	}

	// below is V2 Signed Auth header format, splitting on `space` (after the `AWS` string).
	// Authorization = "AWS" + " " + AWSAccessKeyId + ":" + Signature

	// policy is inherited from `user.AccessKey`.
	cred.ParentUser = user.AccessKey

	// Set the newly generated credentials.
	updatedAt, err := globalIAMSys.SetTempUser(ctx, cred.AccessKey, cred, "")
	if err != nil {
		writeSTSErrorResponse(ctx, w, ErrSTSInternalError, err)
		return
	}

	// Call hook for site replication.
	if cred.ParentUser != globalActiveCred.AccessKey {

	return nil
}

// Sign given request using Signature V2.
func signRequestV2(req *http.Request, accessKey, secretKey string) error {
	signer.SignV2(*req, accessKey, secretKey, false)
	return nil
}

// Sign given request using Signature V4.
func signRequestV4(req *http.Request, accessKey, secretKey string) error {
	// Get hashed payload.
	hashedPayload := req.Header.Get("x-amz-content-sha256")

	}
	secret := globalActiveCred.SecretKey
	if globalSiteReplicationSys.isEnabled() && cred.AccessKey != siteReplicatorSvcAcc {
		nsecret, err := getTokenSigningKey()
		if err != nil {
			return nil, toAPIErrorCode(r.Context(), err)
		}
		// sign root's temporary accounts also with site replicator creds
		if cred.ParentUser != globalActiveCred.AccessKey || cred.IsTemp() {
			secret = nsecret
		}
	}
	if cred.IsServiceAccount() {

	_, fsDir, err := prepareFS(t.Context())
	if err != nil {
		t.Fatal(err)
	}
	defer removeRoots([]string{fsDir})

	credentialTemplate := "%s/%s/%s/s3/aws4_request"
	now := UTCNow()
	accessKey := globalActiveCred.AccessKey

	testCases := []struct {
		form     http.Header
		expected APIErrorCode
	}{
		// (0) It should fail if 'X-Amz-Credential' is missing.
		{
			form:     http.Header{},