diff --git a/pkg/cmd/attestation/verification/attestation_test.go b/pkg/cmd/attestation/verification/attestation_test.go
index b49a179a5..08f0ccfef 100644
--- a/pkg/cmd/attestation/verification/attestation_test.go
+++ b/pkg/cmd/attestation/verification/attestation_test.go
@@ -107,13 +107,13 @@ func TestGetLocalAttestations(t *testing.T) {
 	t.Run("with missing verification material", func(t *testing.T) {
 		path := "../test/data/github_provenance_demo-0.0.12-py3-none-any-bundle-missing-verification-material.jsonl"
 		_, err := GetLocalAttestations(path)
-		require.ErrorContains(t, err, "missing verification material")
+		require.ErrorIs(t, err, bundle.ErrMissingVerificationMaterial)
 	})
 
 	t.Run("with missing verification certificate", func(t *testing.T) {
 		path := "../test/data/github_provenance_demo-0.0.12-py3-none-any-bundle-missing-cert.jsonl"
 		_, err := GetLocalAttestations(path)
-		require.ErrorContains(t, err, "missing bundle content")
+		require.ErrorIs(t, err, bundle.ErrMissingBundleContent)
 	})
 }