CIM_IPConfigurationService.ApplySettingToIPProtocolEndpoint-test cannot be invoked

The test of the ApplySettingToIPProtocolEndpoint-method of the CIM_IPConfigurationService cannot be invoked because whether the Endpoint-parameter nor the Configuration-parameter can be determined.
Error-message:
...
Method 1:
==========
Name=ApplySettingToIPProtocolEndpoint
Requirement Type=Optional
---------------------------
[ValueSet Iteration=1]
INFO:The input parameter Endpoint yields NULL value. Hence ApplySettingToIPProtocolEndpoint cannot be invoked for this value.
PARAMETER VALUE:NULL
---------------------------
[ValueSet Iteration=2]
INFO:The input parameter Endpoint yields NULL value. Hence ApplySettingToIPProtocolEndpoint cannot be invoked for this value.
PARAMETER VALUE:NULL