[Msic] Fixed test failing because of the refactoring introduced in...

[Msic] Fixed test failing because of the refactoring introduced in XCOMMONS-733 (Don't mock Provider by default)

xwiki-platform-core/xwiki-platform-mail/xwiki-platform-mail-send/xwiki-platform-mail-send-storage/src/test/java/org/xwiki/mail/MailStorageScriptServiceTest.java

@@ -68,8 +68,8 @@ public class MailStorageScriptServiceTest
     @Before
     public void setUp() throws Exception
     {
-        Provider<ComponentManager> componentManagerProvider = this.mocker.getInstance(new DefaultParameterizedType(
-            null, Provider.class, ComponentManager.class), "context");
+        Provider<ComponentManager> componentManagerProvider = this.mocker.registerMockComponent(
+            new DefaultParameterizedType(null, Provider.class, ComponentManager.class), "context");
         when(componentManagerProvider.get()).thenReturn(this.mocker);
 
         Execution execution = this.mocker.getInstance(Execution.class);