bug #3943 Fixing simple quotes in double quotes (ptitlazy)

This PR was merged into the 2.3 branch.

Discussion
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Fixing simple quotes in double quotes

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | 2.3
| Fixed tickets | #3942

Some simple quotes should be double quotes, for end of line to be used as such.

Commits
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dc6c993 Fixing simple quotes in double quotes

components/console/helpers/dialoghelper.rst

@@ -263,7 +263,7 @@ from the command line, you need to overwrite the HelperSet used by the command::
         $commandTester = new CommandTester($command);
 
         $dialog = $command->getHelper('dialog');
-        $dialog->setInputStream($this->getInputStream('Test\n'));
+        $dialog->setInputStream($this->getInputStream("Test\n"));
         // Equals to a user inputing "Test" and hitting ENTER
         // If you need to enter a confirmation, "yes\n" will work