public function testCanBeInternationallyDialled()
 {
     // We have no-international-dialling rules for the US in our test metadata that say that
     // toll-free numbers cannot be dialled internationally.
     $this->assertFalse($this->phoneUtil->canBeInternationallyDialled(self::$usTollFree));
     // Normal US numbers can be internationally dialled.
     $this->assertTrue($this->phoneUtil->canBeInternationallyDialled(self::$usNumber));
     // Invalid number.
     $this->assertTrue($this->phoneUtil->canBeInternationallyDialled(self::$usLocalNumber));
     // We have no data for NZ - should return true.
     $this->assertTrue($this->phoneUtil->canBeInternationallyDialled(self::$nzNumber));
     $this->assertTrue($this->phoneUtil->canBeInternationallyDialled(self::$internationalTollFree));
 }