Fixes #2341, fixes #2317: moved codeception dependecies to "suggest" section,…

.travis.yml

@@ -22,6 +22,8 @@ install:
   - tests/unit/data/travis/cubrid-setup.sh
 # basic application:
   - composer install --dev --prefer-dist -d apps/basic
+  - cd apps/basic && composer require --dev codeception/codeception:1.8.*@dev codeception/specify:* codeception/verify:*
+  - cd apps/basic && composer update
   - cd apps/basic && php vendor/bin/codecept build && cd ../..
   - cd apps && php -S localhost:8080 &
 

apps/basic/composer.json

@@ -21,12 +21,14 @@
 	},
 	"require-dev": {
 		"yiisoft/yii2-codeception": "*",
-		"codeception/codeception": "*",
-		"codeception/specify": "*",
-		"codeception/verify": "*",
 		"yiisoft/yii2-debug": "*",
 		"yiisoft/yii2-gii": "*"
 	},
+	"suggest": {
+		"codeception/codeception": "1.8.*@dev",
+		"codeception/specify": "*",
+		"codeception/verify": "*"
+	},
 	"scripts": {
 		"post-create-project-cmd": [
 			"yii\\composer\\Installer::setPermission"