diff --git a/test/parallel/test-crypto-dh-errors.js b/test/parallel/test-crypto-dh-errors.js
index fcf1922bcdba73..476ca64b4425b5 100644
--- a/test/parallel/test-crypto-dh-errors.js
+++ b/test/parallel/test-crypto-dh-errors.js
@@ -43,7 +43,7 @@ for (const g of [-1, 1]) {
   const ex = {
     code: 'ERR_OSSL_DH_BAD_GENERATOR',
     name: 'Error',
-    message: /bad generator/,
+    message: /(?:bad[_ ]generator)/i,
   };
   assert.throws(() => crypto.createDiffieHellman('abcdef', g), ex);
   assert.throws(() => crypto.createDiffieHellman('abcdef', 'hex', g), ex);
@@ -55,7 +55,7 @@ for (const g of [Buffer.from([]),
   const ex = {
     code: 'ERR_OSSL_DH_BAD_GENERATOR',
     name: 'Error',
-    message: /bad generator/,
+    message: /(?:bad[_ ]generator)/i,
   };
   assert.throws(() => crypto.createDiffieHellman('abcdef', g), ex);
   assert.throws(() => crypto.createDiffieHellman('abcdef', 'hex', g), ex);
diff --git a/test/parallel/test-crypto-private-decrypt-gh32240.js b/test/parallel/test-crypto-private-decrypt-gh32240.js
index 1785f5eef3d202..e88227a215ba4f 100644
--- a/test/parallel/test-crypto-private-decrypt-gh32240.js
+++ b/test/parallel/test-crypto-private-decrypt-gh32240.js
@@ -24,7 +24,7 @@ const pkeyEncrypted =
   pair.privateKey.export({
     type: 'pkcs1',
     format: 'pem',
-    cipher: 'aes128',
+    cipher: 'aes-128-cbc',
     passphrase: 'secret',
   });
 
diff --git a/test/parallel/test-tls-getcertificate-x509.js b/test/parallel/test-tls-getcertificate-x509.js
index aa685ca9e09cf0..704aa33e6edfab 100644
--- a/test/parallel/test-tls-getcertificate-x509.js
+++ b/test/parallel/test-tls-getcertificate-x509.js
@@ -20,9 +20,7 @@ const server = tls.createServer(options, function(cleartext) {
 server.once('secureConnection', common.mustCall(function(socket) {
   const cert = socket.getX509Certificate();
   assert(cert instanceof X509Certificate);
-  assert.strictEqual(
-    cert.serialNumber,
-    '5B75D77EDC7FB5B7FA9F1424DA4C64FB815DCBDE');
+  assert.match(cert.serialNumber, /5B75D77EDC7FB5B7FA9F1424DA4C64FB815DCBDE/i);
 }));
 
 server.listen(0, common.mustCall(function() {
@@ -33,10 +31,7 @@ server.listen(0, common.mustCall(function() {
     const peerCert = socket.getPeerX509Certificate();
     assert(peerCert.issuerCertificate instanceof X509Certificate);
     assert.strictEqual(peerCert.issuerCertificate.issuerCertificate, undefined);
-    assert.strictEqual(
-      peerCert.issuerCertificate.serialNumber,
-      '147D36C1C2F74206DE9FAB5F2226D78ADB00A425'
-    );
+    assert.match(peerCert.issuerCertificate.serialNumber, /147D36C1C2F74206DE9FAB5F2226D78ADB00A425/i);
     server.close();
   }));
   socket.end('Hello');