MAGETWO-33373: Allow camelcase in vendorname for menus #985

Modify valid menu xml file test to catch a regression of this fix.

Author: otoolec

dev/tests/unit/testsuite/Magento/Backend/Model/Menu/Config/_files/valid_menu.xml

@@ -7,7 +7,7 @@
 -->
 <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../../../../../../../../app/code/Magento/Backend/etc/menu.xsd">
     <menu>
-        <add id="Some_TestName::catalog_some_events" title="Events" module="Some_Value" sortOrder="10" parent="Some_Value::test_test" action="action/actions" resource="Some_Value::events" dependsOnModule="Some_Value" dependsOnConfig="catalog/Some_valuet/enabled" toolTip="some tool tip" />
+        <add id="Some_TestName::catalog_some_events" title="Events" module="SomeTest_TestValue" sortOrder="10" parent="SomeTest_TestValue::someTest_testValue" action="action/actions" resource="SomeTest_TestValue::eventsTest_value" dependsOnModule="SomeTest_TestValue" dependsOnConfig="catalog/SomeTest_TestValue/enabled" toolTip="some tool tip" />
         <update id="Module_Name::system_config" title="some title" sortOrder="12" action="some_action" resource="Some_Test::events" dependsOnModule="Some_Test" dependsOnConfig="catalog/Some_value/enabled" module="Some_Module" parent="Some_Test::test_value" toolTip="some toolTip" />
         <remove id="Some_Adminhtml::system_currency" />
     </menu>