Webtest Fix 4.5.0

Fix For - 
WebTest_Case_CaseCustomFieldsTest::testCaseCustomNoteRichEditor 
WebTest_Case_CaseCustomFieldsTest::testAddCase
WebTest_Import_CustomDataTest::testCustomDataImport
WebTest_Import_ContactCustomDataTest::testCustomDataImport 
WebTest_Admin_CustomAddTest::testCustomAdd
WebTest_Campaign_OnlineEventRegistrationTest::testCreateCampaign
WebTest_Event_PricesetMaxCountTest::testAdditionalParticipantWithoutFieldCount 
WebTest_Event_PricesetMaxCountTest::testWithFieldCount
WebTest_Event_PricesetMaxCountTest::testWithoutFieldCount