Fixed list in tests readme

tests/README.md

@@ -3,15 +3,15 @@ These tests are developed with [Codeception PHP Testing Framework](http://codece
 
 After creating the basic application, follow these steps to prepare for the tests:
 
-1. In the file `_bootstrap.php`, modify the definition of the constant `TEST_ENTRY_URL` so
+- In the file `_bootstrap.php`, modify the definition of the constant `TEST_ENTRY_URL` so
    that it points to the correct entry script URL.
-2. Install additional composer packages:
+- Install additional composer packages:
 
 ```
 php composer.phar require --dev "codeception/codeception: 1.8.*@dev" "codeception/specify: *" "codeception/verify: *"
 ```
 
-3. Go to the application base directory and build the test suites:
+- Go to the application base directory and build the test suites:
 
    ```
    vendor/bin/codecept build