$blob = $blobStore->getBlob( $module, 'en' );
$this->assertEquals( '{"example":"First"}', $blob, 'Generated blob' );
$blob = $blobStore->getBlob( $module, 'en' );
$this->assertEquals( '{"example":"First"}', $blob, 'Cache-hit' );
$blob = $blobStore->getBlob( $module, 'en' );
$this->assertEquals( '{"example":"First"}', $blob, 'Generated blob' );
$blob = $blobStore->getBlob( $module, 'en' );
$this->assertEquals( '{"example":"First"}', $blob, 'Cache-hit' );