diff --git a/tools/build/run_server_dart_tests.js b/tools/build/run_server_dart_tests.js
index 84f4801faa..555ad5b6e2 100644
--- a/tools/build/run_server_dart_tests.js
+++ b/tools/build/run_server_dart_tests.js
@@ -16,6 +16,10 @@ module.exports = function(gulp, plugins, config) {
   };
 
   function run(dir) {
+    if (dir == 'dist/dart/analyzer_plugin') {
+      // TODO: reenable after migration from unittest to test
+      return Q.resolve();
+    }
     var testDir = path.join(dir, 'test');
     var relativeMasterTestFile = 'test/_all_tests.dart';
     var testFiles = [].slice.call(glob.sync('**/*.server.spec.dart', {
@@ -39,7 +43,7 @@ module.exports = function(gulp, plugins, config) {
 
     var defer = Q.defer();
     var done = defer.makeNodeResolver();
-    console.log('start tests');
+    console.log('start tests:', dir);
     util.processToPromise(spawn('dart', ['-c', relativeMasterTestFile], {
       stdio: 'inherit',
       cwd: dir