Brad Fitzpatrick 5445a5c7b7 wgengine/tsdns: skip test that requires local IPv6 when IPv6 unavailable
Fixes #1292

Cherry picked from b923ea76b15863e82cd808fbeb3d2a83fa24d303

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
Signed-off-by: Christine Dodrill <xe@tailscale.com>
2021-02-16 13:35:50 -05:00
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