test/support/builders/metadata: Add #whatever() alias
test/support/builders/metadata: Add #whatever() alias

Should take any of file/dir builders, but currently takes dir.

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