Standardize "@example.com" as domain in documentation (#124)

Author: ThomasLandauer

src/Codeception/Module/Symfony.php

@@ -110,7 +110,7 @@
  *         - Doctrine2:
  *             depends: Symfony
  *         - WebDriver:
- *             url: http://your-url.com
+ *             url: http://example.com
  *             browser: firefox
  * ```
  *

src/Codeception/Module/Symfony/BrowserAssertionsTrait.php

@@ -89,7 +89,7 @@ public function seePageRedirectsTo(string $page, string $redirectsTo): void
      * ```php
      * <?php
      * $I->submitSymfonyForm('login_form', [
-     *     '[email]'    => 'john_doe@gmail.com',
+     *     '[email]'    => 'john_doe@example.com',
      *     '[password]' => 'secretForest'
      * ]);
      * ```
@@ -110,4 +110,4 @@ public function submitSymfonyForm(string $name, array $fields): void
 
         $this->submitForm($selector, $params, $button);
     }
-}
+}

src/Codeception/Module/Symfony/MailerAssertionsTrait.php

@@ -48,7 +48,7 @@ public function seeEmailIsSent(int $expectedCount = 1): void
      * <?php
      * $email = $I->grabLastSentEmail();
      * $address = $email->getTo()[0];
-     * $I->assertSame('john_doe@user.com', $address->getAddress());
+     * $I->assertSame('john_doe@example.com', $address->getAddress());
      * ```
      *
      * @return \Symfony\Component\Mime\Email|null
@@ -72,8 +72,6 @@ public function grabLastSentEmail(): ?Email
      * ```php
      * <?php
      * $emails = $I->grabSentEmails();
-     * $address = $emails[0]->getTo()[0];
-     * $I->assertSame('john_doe@user.com', $address->getAddress());
      * ```
      *
      * @return \Symfony\Component\Mime\Email[]

src/Codeception/Module/Symfony/SessionAssertionsTrait.php

@@ -23,7 +23,7 @@ trait SessionAssertionsTrait
      * ```php
      * <?php
      * $user = $I->grabEntityFromRepository(User::class, [
-     *     'email' => 'john_doe@gmail.com'
+     *     'email' => 'john_doe@example.com'
      * ]);
      * $I->amLoggedInAs($user);
      * ```
@@ -168,4 +168,4 @@ protected function grabSessionService(): SessionInterface
     {
         return $this->grabService('session');
     }
-}
+}