am 74a2d09c: am 347daf3a: Merge change I2a52a60a into eclair-mr2

Merge commit '74a2d09cba89db3b404aa10d89b5139f5ff6ab5d'

* commit '74a2d09cba89db3b404aa10d89b5139f5ff6ab5d':
  Implement unit tests for vCard exporter, which depends on the sucess in vCard importer.