diff --git a/core/auth/auth_test.go b/core/auth/auth_test.go
index 80f318f2cf..55c405f552 100644
--- a/core/auth/auth_test.go
+++ b/core/auth/auth_test.go
@@ -19,9 +19,12 @@ func TestAuthentication(t *testing.T) {
 	privateKeyHex := "0x0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
 	signer := auth.NewLocalBlobRequestSigner(privateKeyHex)
 
+	accountId, err := signer.GetAccountID()
+	assert.NoError(t, err)
+
 	testHeader := core.BlobAuthHeader{
 		BlobCommitments:    encoding.BlobCommitments{},
-		AccountID:          signer.GetAccountID(),
+		AccountID:          accountId,
 		Nonce:              rand.Uint32(),
 		AuthenticationData: []byte{},
 	}
@@ -46,9 +49,12 @@ func TestAuthenticationFail(t *testing.T) {
 	privateKeyHex := "0x0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
 	signer := auth.NewLocalBlobRequestSigner(privateKeyHex)
 
+	accountId, err := signer.GetAccountID()
+	assert.NoError(t, err)
+
 	testHeader := core.BlobAuthHeader{
 		BlobCommitments:    encoding.BlobCommitments{},
-		AccountID:          signer.GetAccountID(),
+		AccountID:          accountId,
 		Nonce:              rand.Uint32(),
 		AuthenticationData: []byte{},
 	}
@@ -66,3 +72,18 @@ func TestAuthenticationFail(t *testing.T) {
 	assert.Error(t, err)
 
 }
+
+func TestNoopSignerFail(t *testing.T) {
+	signer := auth.NewLocalNoopSigner()
+	accountId, err := signer.GetAccountID()
+	assert.EqualError(t, err, "noop signer cannot get accountID")
+
+	testHeader := core.BlobAuthHeader{
+		BlobCommitments:    encoding.BlobCommitments{},
+		AccountID:          accountId,
+		Nonce:              rand.Uint32(),
+		AuthenticationData: []byte{},
+	}
+	_, err = signer.SignBlobRequest(testHeader)
+	assert.EqualError(t, err, "noop signer cannot sign blob request")
+}
diff --git a/disperser/apiserver/ratelimit_test.go b/disperser/apiserver/ratelimit_test.go
index 69b3f99093..63bb02c72d 100644
--- a/disperser/apiserver/ratelimit_test.go
+++ b/disperser/apiserver/ratelimit_test.go
@@ -225,12 +225,15 @@ func simulateClient(t *testing.T, signer core.BlobRequestSigner, origin string,
 		stream.Close()
 	}()
 
-	err := stream.SendFromClient(&pb.AuthenticatedRequest{
+	accountId, err := signer.GetAccountID()
+	assert.NoError(t, err)
+
+	err = stream.SendFromClient(&pb.AuthenticatedRequest{
 		Payload: &pb.AuthenticatedRequest_DisperseRequest{
 			DisperseRequest: &pb.DisperseBlobRequest{
 				Data:                data,
 				CustomQuorumNumbers: quorums,
-				AccountId:           signer.GetAccountID(),
+				AccountId:           accountId,
 			},
 		},
 	})