/**
  * @covers \PressBooks\GlobalTypography::getThemeFontStacks
  *
  * @covers \PressBooks\GlobalTypography::updateGlobalTypographyMixin
  * @covers \PressBooks\GlobalTypography::_sassify
  * @covers \PressBooks\GlobalTypography::_getBookLanguage
  */
 public function test_getThemeFontStacks()
 {
     $this->_book();
     $this->gt->updateGlobalTypographyMixin();
     $this->assertNotEmpty($this->gt->getThemeFontStacks('epub'));
     $this->assertEmpty($this->gt->getThemeFontStacks('garbage'));
 }
 /**
  * @covers \Pressbooks\GlobalTypography::getThemeFontStacks
  *
  * @covers \Pressbooks\GlobalTypography::updateGlobalTypographyMixin
  * @covers \Pressbooks\GlobalTypography::_sassify
  * @covers \Pressbooks\GlobalTypography::_getBookLanguage
  */
 public function test_getThemeFontStacks()
 {
     $this->_book('donham');
     // Pick a theme with some built-in $supported_languages
     $this->gt->updateGlobalTypographyMixin();
     $this->assertNotEmpty($this->gt->getThemeFontStacks('epub'));
     $this->assertEmpty($this->gt->getThemeFontStacks('garbage'));
 }