Test that an empty array is not added to the string

Returns

void

Source

						public function testInsertWithEmptyArray() {
		$result = String::insert("Hey, what are you tryin' to {:action} on us?",
			array('action' => array())
		);
		$expected = "Hey, what are you tryin' to  on us?";
		$this->assertEqual($expected, $result);
	}