Removed shared and shared_by_default configuration tests

We do not consider that functionality as required.
By default we only assume all created services are shared, and these
checks we should have in other tests.

Author: michalbundyra

README.md

@@ -42,6 +42,5 @@ following traits into your test case:
 - `Zend\ContainerTest\FactoryTestTrait` - to support `factories` configuration,
 - `Zend\ContainerTest\InvokableTestTrait` - to support `invokables` configuration,
 - `Zend\ContainerTest\ServiceTestTrait` - to support `services` configuration,
-- `Zend\ContainerTest\SharedTestTrait` - to support `shared` and `shared_by_default` configurations,
 
 or use `Zend\ContainerTest\AllTestTrait` to support whole `zend-servicemanager` configuration.

src/AllTestTrait.php

@@ -16,5 +16,4 @@ trait AllTestTrait
     use FactoryTestTrait;
     use InvokableTestTrait;
     use ServiceTestTrait;
-    use SharedTestTrait;
 }