Updated tests invocation

docs/en/reference/supporting-other-databases.rst

@@ -33,5 +33,5 @@ Implementation Steps in Detail
 2. Make a copy of tests/dbproperties.xml.dev and adjust the values to your driver shortcut and testdatabase.
 3. Create three new classes implementing ``\Doctrine\DBAL\Driver\Driver``, ``\Doctrine\DBAL\Driver\Statement``
    and ``Doctrine\DBAL\Driver``. You can take a look at the ``Doctrine\DBAL\Driver\OCI8`` driver.
-4. You can run the testsuite of your new database driver by calling "cd tests/ && phpunit -c myconfig.xml Doctrine/Tess/AllTests.php"
-5. Start implementing AbstractPlatform and AbstractSchemaManager. Other implementations should serve as good example.
\ No newline at end of file
+4. You can run the testsuite of your new database driver by calling "phpunit -c .". You can set your own settings in phpunit.xml file. 
+5. Start implementing AbstractPlatform and AbstractSchemaManager. Other implementations should serve as good example.