actually fix

Command/TestCommand.php

@@ -15,11 +15,13 @@ class TestCommand extends Command{
     public function __construct(
         \Magento\Catalog\Model\ProductRepository $productRepository,
         \Magento\Framework\ObjectManagerInterface $objectManager,
-        \Magento\Framework\App\State $state
+        \Magento\Framework\App\State $state,
+        \Magento\Catalog\Model\ResourceModel\Product\Action\Proxy $productAction
     ) {
         $this->_state=$state;
         $this->_objectManager=$objectManager;
         $this->_productRepository=$productRepository;
+        $this->_productAction=$productAction;
 
         parent::__construct();
     }
@@ -32,7 +34,7 @@ class TestCommand extends Command{
     }
 
     protected function execute(InputInterface $input, OutputInterface $output){
-        $this->_productAction=$this->_objectManager->get('\Magento\Catalog\Model\ResourceModel\Product\Action');
         $output->writeln(get_class($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">
+<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>
-