openconfig / ygot / 1334

91%

master: 89%

Pull #250

travis-ci

testutil enhancements; render panic fixes; error updates.

This PR updates the behaviour of the return arguments for some retrieval
functions to allow Subscribe implementation, adds further test util
helpers and fixes a panic in findUpdatedLeaves.

 * (M) testutil/testutil(_test)?.go
  - Add support for checking the equality of two slices of
    SubscribeResponse messages, and individual SubscribeResponse
    messages.
 * (M) ygot/render(_test)?.go
  - Fix a panic which occurred when a nil GoStruct was provided to
    TogNMINotifications.
 * (M) ytypes/node.go
  - Ensure that we comply with the gNMI specification as to when to
    return NotFound vs. InvalidArgument.

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