Standardize "@example.com" as domain in documentation

ThomasLandauer · web-flow · commit ded1ec81a0d4 · 2021-03-16T14:15:07.000+01:00
See Codeception/module-symfony#124 (comment)
diff --git a/src/Codeception/Lib/Interfaces/Web.php b/src/Codeception/Lib/Interfaces/Web.php
@@ -690,7 +690,7 @@ public function uncheckOption($option);
      * ``` php
      * <?php
      * $I->fillField("//input[@type='text']", "Hello World!");
-     * $I->fillField(['name' => 'email'], 'jon@mail.com');
+     * $I->fillField(['name' => 'email'], 'jon@example.com');
      * ?>
      * ```
      *

Original file line number	Diff line number	Diff line change
`@@ -690,7 +690,7 @@ public function uncheckOption($option);`
`690`	`690`	* ``` php
`691`	`691`	`* <?php`
`692`	`692`	`* $I->fillField("//input[@type='text']", "Hello World!");`
`693`		`- * $I->fillField(['name' => 'email'], 'jon@mail.com');`
	`693`	`+ * $I->fillField(['name' => 'email'], 'jon@example.com');`
`694`	`694`	`* ?>`
`695`	`695`	* ```
`696`	`696`	`*`