Remove admin credentials

Author: katcharov

.evergreen/run-mongodb-oidc-test.sh

@@ -38,12 +38,7 @@ which java
 export OIDC_TESTS_ENABLED=true
 export OIDC_ENV="$OIDC_ENV" # read by tests
 
-# use admin credentials for tests
-TO_REPLACE="mongodb://"
-REPLACEMENT="mongodb://$OIDC_ADMIN_USER:$OIDC_ADMIN_PWD@"
-ADMIN_URI=${MONGODB_URI/$TO_REPLACE/$REPLACEMENT}
-
-./gradlew -Dorg.mongodb.test.uri="$ADMIN_URI" \
+./gradlew -Dorg.mongodb.test.uri="$MONGODB_URI" \
   --stacktrace --debug --info --no-build-cache driver-core:cleanTest \
   driver-sync:test --tests OidcAuthenticationProseTests --tests UnifiedAuthTest \
   driver-reactive-streams:test --tests OidcAuthenticationAsyncProseTests \

driver-sync/src/test/functional/com/mongodb/client/unified/Entities.java

@@ -18,7 +18,6 @@
 
 import com.mongodb.ClientEncryptionSettings;
 import com.mongodb.ClientSessionOptions;
-import com.mongodb.ConnectionString;
 import com.mongodb.MongoClientSettings;
 import com.mongodb.MongoCredential;
 import com.mongodb.ReadConcern;
@@ -534,11 +533,6 @@ private void initClient(final BsonDocument entity, final String id,
                                 throw new UnsupportedOperationException("Unsupported authMechanism: " + value);
                             }
 
-                            // override the org.mongodb.test.uri connection string
-                            String uri = getenv("MONGODB_URI");
-                            ConnectionString cs = new ConnectionString(uri);
-                            clientSettingsBuilder.applyConnectionString(cs);
-
                             String env = getenv("OIDC_ENV");
                             if (env == null) {
                                 env = "test";