Improved test environment

See: Codeception/Codeception#2779
And: http://codeception.com/03-05-2016/codeception-2.2.-upcoming-features.html#params

codeception.yml

@@ -24,12 +24,7 @@ coverage:
 extensions:
     enabled:
         - Codeception\Extension\RunFailed
-modules:
-    config:
-        Db:
-            dsn: 'mysql:host=localhost;dbname=phalcon_test'
-            user: 'root'
-            password: ''
-            populate: true
-            cleanup: false
-            dump: tests/_data/schemas/mysql/mysql.dump.sql
+
+params:
+    # get params drom environment vars
+    - env

tests/unit.suite.yml

@@ -13,3 +13,14 @@ modules:
     config:
         Phalcon:
             bootstrap: 'tests/_config/bootstrap.php'
+        Db:
+            # get params drom environment vars
+            # Create it before running tests. For example:
+            # export TEST_DB_MYSQL_DSN="mysql:host=10.1.0.3.;dbname=phalcon_test"
+            # ...
+            dsn: %TEST_DB_MYSQL_DSN%
+            user: %TEST_DB_MYSQL_USER%
+            password: %TEST_DB_MYSQL_PASSWD%
+            populate: true
+            cleanup: false
+            dump: tests/_data/schemas/mysql/mysql.dump.sql