$block = BlockContent::load(1);
$this->assertIdentical('My block 1', $block->label());
$this->assertTrue(REQUEST_TIME <= $block->getChangedTime() && $block->getChangedTime() <= time());
$block = BlockContent::load(1);
$this->assertIdentical('My block 1', $block->label());
$this->assertTrue(REQUEST_TIME <= $block->getChangedTime() && $block->getChangedTime() <= time());