AddCreateFlags adds flags to the create command that can be used by the create from file.

NewCreateTestsCmd is a command tp create new Test Custom Resource.

NewUpdateTestOptionsFromFlags creates update test options from command flags.

NewUpsertTestOptionsFromFlags creates upsert test options from command flags.

PrepareVariablesFile reads variables file, or if the file size is too big it uploads them.

CreateCommonFlags are common flags for creating all test types.