Build/Test Tools: Remove unused ::assertPostHasTerms() method from tests/term.php.

The associated test was removed in [30241].

Merges [47341] to 3.7+ branches.
See #49485.

git-svn-id: https://develop.svn.wordpress.org/branches/5.0@47489 602fd350-edb4-49c9-b593-d223f7449a82

Author: SergeyBiryukov

tests/phpunit/tests/term.php

@@ -184,14 +184,6 @@ function test_sanitize_term_field() {
 		$this->assertEquals( 0, sanitize_term_field( 'parent', '', $term['term_id'], $this->taxonomy, 'raw' ) );
 	}
 
-	private function assertPostHasTerms( $post_id, $expected_term_ids, $taxonomy ) {
-		$assigned_term_ids = wp_get_object_terms( $post_id, $taxonomy, array(
-			'fields' => 'ids'
-		) );
-
-		$this->assertEquals( $expected_term_ids, $assigned_term_ids );
-	}
-
 	/**
 	 * @ticket 19205
 	 */