bug #19926 [FrameworkBundle] Fix TranslationUpdateCommand tests after a merge (jakzal)

This PR was merged into the 3.2-dev branch.

Discussion
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[FrameworkBundle] Fix TranslationUpdateCommand tests after a merge

| Q             | A
| ------------- | ---
| Branch?       | master
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #19921
| License       | MIT
| Doc PR        | -

#19325 relied on a wrong count of messages, which was fixed by #19878.
Additionally, the `getContainer()` method on the master branch expect messages to be indexed by domain.

Commits
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d093c40 [FrameworkBundle] Fix TranslationUpdateCommand tests after a merge

Author: nicolas-grekas

src/Symfony/Bundle/FrameworkBundle/Tests/Command/TranslationUpdateCommandTest.php

@@ -33,7 +33,7 @@ public function testDumpMessagesAndClean()
 
     public function testDumpTwoMessagesAndClean()
     {
-        $tester = $this->createCommandTester($this->getContainer(array('foo' => 'foo', 'bar' => 'bar')));
+        $tester = $this->createCommandTester($this->getContainer(array('messages' => array('foo' => 'foo', 'bar' => 'bar'))));
         $tester->execute(array('command' => 'translation:update', 'locale' => 'en', 'bundle' => 'foo', '--dump-messages' => true, '--clean' => true));
         $this->assertRegExp('/foo/', $tester->getDisplay());
         $this->assertRegExp('/bar/', $tester->getDisplay());
@@ -45,7 +45,7 @@ public function testDumpMessagesForSpecificDomain()
         $tester = $this->createCommandTester($this->getContainer(array('messages' => array('foo' => 'foo'), 'mydomain' => array('bar' => 'bar'))));
         $tester->execute(array('command' => 'translation:update', 'locale' => 'en', 'bundle' => 'foo', '--dump-messages' => true, '--clean' => true, '--domain' => 'mydomain'));
         $this->assertRegExp('/bar/', $tester->getDisplay());
-        $this->assertRegExp('/2 messages were successfully extracted/', $tester->getDisplay());
+        $this->assertRegExp('/1 message was successfully extracted/', $tester->getDisplay());
     }
 
     public function testWriteMessages()