Add namespaces to all tests

apps/advanced/backend/codeception.yml

+namespace: backend
 actor: Tester
 paths:
     tests: tests

apps/advanced/backend/tests/acceptance/LoginCept.php

 <?php
 
 use common\tests\_pages\LoginPage;
+use backend\WebGuy;
 
 $I = new WebGuy($scenario);
 $I->wantTo('ensure login page works');

apps/advanced/backend/tests/functional/LoginCept.php

 <?php
 
 use common\tests\_pages\LoginPage;
+use backend\TestGuy;
 
 $I = new TestGuy($scenario);
 $I->wantTo('ensure login page works');

apps/advanced/common/codeception.yml

+namespace: common
 actor: Tester
 paths:
     tests: tests

apps/advanced/console/codeception.yml

+namespace: console
 actor: Tester
 paths:
     tests: tests

apps/advanced/frontend/codeception.yml

+namespace: frontend
 actor: Tester
 paths:
     tests: tests

apps/advanced/frontend/tests/acceptance/AboutCept.php

 <?php
 
 use frontend\tests\_pages\AboutPage;
+use frontend\WebGuy;
 
 $I = new WebGuy($scenario);
 $I->wantTo('ensure that about works');

apps/advanced/frontend/tests/acceptance/ContactCept.php

 <?php
 
 use frontend\tests\_pages\ContactPage;
+use frontend\WebGuy;
 
 $I = new WebGuy($scenario);
 $I->wantTo('ensure that contact works');

apps/advanced/frontend/tests/acceptance/HomeCept.php

 <?php
 
+use frontend\WebGuy;
+
 $I = new WebGuy($scenario);
 $I->wantTo('ensure that home page works');
 $I->amOnPage(Yii::$app->homeUrl);

apps/advanced/frontend/tests/acceptance/LoginCept.php

 <?php
 
 use common\tests\_pages\LoginPage;
+use frontend\WebGuy;
 
 $I = new WebGuy($scenario);
 $I->wantTo('ensure login page works');

apps/advanced/frontend/tests/functional/AboutCept.php

 <?php
 
 use frontend\tests\_pages\AboutPage;
+use frontend\TestGuy;
 
 $I = new TestGuy($scenario);
 $I->wantTo('ensure that about works');

apps/advanced/frontend/tests/functional/ContactCept.php

 <?php
 
 use frontend\tests\_pages\ContactPage;
+use frontend\TestGuy;
 
 $I = new TestGuy($scenario);
 $I->wantTo('ensure that contact works');

apps/advanced/frontend/tests/functional/HomeCept.php

 <?php
 
+use frontend\TestGuy;
+
 $I = new TestGuy($scenario);
 $I->wantTo('ensure that home page works');
 $I->amOnPage(Yii::$app->homeUrl);

apps/advanced/frontend/tests/functional/LoginCept.php

 <?php
 
 use common\tests\_pages\LoginPage;
+use frontend\TestGuy;
 
 $I = new TestGuy($scenario);
 $I->wantTo('ensure login page works');