public function testContainsNotAllKeys() { $this->assertFalse(SepaUtilities::containsAllKeys(array('a' => 1, 'b' => 2, 'd' => 2), array('a', 'b', 'c'))); $this->assertTrue(SepaUtilities::containsAllKeys(array('a' => 1, 'b' => 2, 'd' => 2), array('a', 'b', 'd'))); }