aha!

Author: snazy

api/client/src/intTest/java/org/projectnessie/client/auth/oauth2/ITOAuth2ClientAuthelia.java

@@ -100,7 +100,10 @@ static void beforeAll() {
   @Test
   void testOAuth2ClientCredentials() throws Exception {
     OAuth2ClientConfig config =
-        clientConfig("nessie-private-cc").grantType(GrantType.CLIENT_CREDENTIALS).build();
+        clientConfig("nessie-private-cc")
+            .grantType(GrantType.CLIENT_CREDENTIALS)
+            .authorizationCodeFlowWebServerPort(NESSIE_CALLBACK_PORT)
+            .build();
     try (OAuth2Client client = new OAuth2Client(config)) {
       Tokens tokens = client.fetchNewTokens();
       soft.assertThat(tokens.getAccessToken()).isNotNull();
@@ -119,6 +122,7 @@ void testOAuth2AuthorizationCode() throws Exception {
           clientConfig("nessie-private-ac")
               .grantType(GrantType.AUTHORIZATION_CODE)
               .console(resourceOwner.getConsole())
+              .authorizationCodeFlowWebServerPort(NESSIE_CALLBACK_PORT)
               .build();
       try (OAuth2Client client = new OAuth2Client(config)) {
         resourceOwner.setErrorListener(e -> client.close());