diff --git a/package.json b/package.json
index 06cba1c..86bcecd 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "canonicalize": "^1.0.8",
     "chai": "^4.3.6",
     "credentials-context": "^2.0.0",
-    "data-integrity-test-suite-assertion": "github:w3c-ccg/data-integrity-test-suite-assertion",
+    "data-integrity-test-suite-assertion": "github:w3c-ccg/data-integrity-test-suite-assertion#make-vc-gen-suite-configurable",
     "ed25519-signature-2018-context": "^1.1.0",
     "ed25519-signature-2020-context": "^1.1.0",
     "jsonld": "^8.1.0",
diff --git a/tests/05-di-ed25519-create.js b/tests/05-di-ed25519-create.js
new file mode 100644
index 0000000..e1189af
--- /dev/null
+++ b/tests/05-di-ed25519-create.js
@@ -0,0 +1,19 @@
+/*!
+ * Copyright (c) 2022-2024 Digital Bazaar, Inc.
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+import {
+  checkDataIntegrityProofFormat
+} from 'data-integrity-test-suite-assertion';
+import {endpoints} from 'vc-test-suite-implementations';
+import {tag} from './test-config.js';
+
+// only use implementations with `Ed25519 2020` issuers.
+const {match} = endpoints.filterByTag({tags: [tag], property: 'issuers'});
+
+checkDataIntegrityProofFormat({
+  implemented: match, tag,
+  expectedProofTypes: ['Ed25519Signature2020'],
+  expectedCryptoSuite: false
+});
+
diff --git a/tests/10-ed25519-create.js b/tests/10-ed25519-create.js
index fc22ced..653b647 100644
--- a/tests/10-ed25519-create.js
+++ b/tests/10-ed25519-create.js
@@ -4,9 +4,6 @@
  */
 import {bs58Decode, getPublicKeyBytes} from './helpers.js';
 import chai from 'chai';
-import {
-  checkDataIntegrityProofFormat
-} from 'data-integrity-test-suite-assertion';
 import {endpoints} from 'vc-test-suite-implementations';
 import {generateTestData} from './vc-generator/index.js';
 import {klona} from 'klona';
@@ -23,11 +20,6 @@ describe('Ed25519Signature2020 (create)', function() {
     const credentials = await generateTestData();
     validVc = credentials.get('validVc');
   });
-  checkDataIntegrityProofFormat({
-    implemented: match, tag,
-    expectedProofTypes: ['Ed25519Signature2020'],
-    expectedCryptoSuite: false
-  });
 
   describe('Ed25519Signature2020 (issuer)', function() {
     // this will tell the report
diff --git a/tests/15-di-ed25519-verify.js b/tests/15-di-ed25519-verify.js
new file mode 100644
index 0000000..bd6ae8a
--- /dev/null
+++ b/tests/15-di-ed25519-verify.js
@@ -0,0 +1,16 @@
+import {
+  checkDataIntegrityProofVerifyErrors
+} from 'data-integrity-test-suite-assertion';
+import {endpoints} from 'vc-test-suite-implementations';
+import {tag} from './test-config.js';
+
+// only use implementations with `Ed25519 2020` verifiers.
+const {match} = endpoints.filterByTag({
+  tags: [tag],
+  property: 'verifiers'
+});
+
+checkDataIntegrityProofVerifyErrors({
+  implemented: match,
+  expectedProofType: 'Ed25519Signature2020'
+});
diff --git a/tests/20-ed25519-verify.js b/tests/20-ed25519-verify.js
index 0f5f5ca..9e80e94 100644
--- a/tests/20-ed25519-verify.js
+++ b/tests/20-ed25519-verify.js
@@ -4,9 +4,6 @@
  */
 import {bs58Decode, bs58Encode} from './helpers.js';
 import {verificationFail, verificationSuccess} from './assertions.js';
-import {
-  checkDataIntegrityProofVerifyErrors
-} from 'data-integrity-test-suite-assertion';
 import {endpoints} from 'vc-test-suite-implementations';
 import {generateTestData} from './vc-generator/index.js';
 import {klona} from 'klona';
@@ -28,10 +25,6 @@ describe('Ed25519Signature2020 (verify)', function() {
     incorrectCannonization = credentials.get('canonizeJcs');
     incorrectHash = credentials.get('digestSha512');
   });
-  checkDataIntegrityProofVerifyErrors({
-    implemented: match,
-    expectedProofType: 'Ed25519Signature2020'
-  });
 
   describe('Ed25519Signature2020 (verifier)', function() {
     // this will tell the report