LPS-44013 Create a test for an assert that all test methods execute at the beginning
LPS-44013 New tests for PortletPreferencesLSI (getStrictPortletPreferences).

Conflicts:
	portal-impl/test/integration/com/liferay/portal/service/PortletPreferencesLocalServiceTest.java
LPS-44013 New tests for PortletPreferencesLSI (getPreferences)
LPS-44013 New tests for PortletPreferencesLSI (updatePreferences)
LPS-44013 TestPropsValues.getCompanyId() has been removed, because it makes confuse why we search by this parameter in the test. Now we search by the _layout companyId or the _portlet companyId
LPS-44013 Move mock service initialization to constructor
LPS-44013 SF
LPS-44013 SF
LPS-44013 SF
LPS-44013 Rename