test/support/builders: updated_at should be a string
test/support/builders: updated_at should be a string

cozy-labs/cozy-desktop,nono/cozy-desktop,cozy-labs/cozy-desktop,cozy-labs/cozy-desktop,cozy-labs/cozy-desktop,nono/cozy-desktop,nono/cozy-desktop,nono/cozy-desktop