actually fix

Command/TestCommand.php

@@ -16,7 +16,7 @@ class TestCommand extends Command{
         \Magento\Catalog\Model\ProductRepository $productRepository,
         \Magento\Framework\ObjectManagerInterface $objectManager,
         \Magento\Framework\App\State $state,
-        \Magento\Catalog\Model\ResourceModel\Product\Action $productAction
+        \Magento\Catalog\Model\ResourceModel\Product\Action\Proxy $productAction
     ) {
         $this->_state=$state;
         $this->_objectManager=$objectManager;
@@ -33,10 +33,8 @@ class TestCommand extends Command{
         parent::configure();
     }
 
-    /**
-    * {@inheritdoc}
-    */
     protected function execute(InputInterface $input, OutputInterface $output){
         $output->writeln(get_class($this->_productAction));
+        $this->_productAction->updateAttributes([1], ['name'=>'nice'], 1);
     }
 }

etc/module.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../../../lib/internal/Magento/Framework/Module/etc/module.xsd">
-    <module name="Test_Test" setup_version="0.0.0"/>
+<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:noNamespaceSchemaLocation="../../../../../lib/internal/Magento/Framework/Module/etc/module.xsd">
+        <module name="Test_Test" setup_version="0.0.0"/>
 </config>
-