Tests that there is a link to the parent term on the child term page.
function testTaxonomyTermHierarchyBreadcrumbs() {
// Create two taxonomy terms and set term2 as the parent of term1.
$term1 = $this
->createTerm($this->vocabulary);
$term2 = $this
->createTerm($this->vocabulary);
$term1->parent = array(
$term2
->id(),
);
$term1
->save();
// Verify that the page breadcrumbs include a link to the parent term.
$this
->drupalGet('taxonomy/term/' . $term1
->id());
$this
->assertRaw(l($term2
->label(), 'taxonomy/term/' . $term2
->id()), 'Parent term link is displayed when viewing the node.');
}