Codeception

example.php

<?php
		// Create fake resource
		$resource                  = new \StdClass();
		$resource->card            = new \StdClass();
		$resource->card->id        = 1;
		$resource->card->last4     = '3333';
		$resource->card->exp_year  = '2019';
		$resource->card->exp_month = '01';
		$resource->card->brand     = 'mastercard';

		// Create token for the current user
		$token = new \WC_Payment_Token_CC();
		$token->set_token( wc_clean( $resource->card->id ) );
		$token->set_gateway_id( 'payplug' );
		$token->set_last4( wc_clean( $resource->card->last4 ) );
		$token->set_expiry_year( wc_clean( $resource->card->exp_year ) );
		$token->set_expiry_month( zeroise( (int) wc_clean( $resource->card->exp_month ), 2 ) );
		$token->set_card_type( wc_clean( $resource->card->brand ) );
		$token->set_user_id( 1 );
		$token->add_meta_data( 'mode', 'test' );
		$token->save();