[ovs-git] [ovn-org/ovn] c55428: tests: Introduce new testing helpers.

[Ben Pfaff]

  Branch: refs/heads/branch-20.03
  Home:   https://github.com/ovn-org/ovn
  Commit: c554284d394141d414814ef5222145830d8ba7dc
      https://github.com/ovn-org/ovn/commit/c554284d394141d414814ef5222145830d8ba7dc
  Author: Ben Pfaff <blp at ovn.org>
  Date:   2021-01-19 (Tue, 19 Jan 2021)

  Changed paths:
    M tests/ovn-controller.at
    M tests/ovn-ic.at
    M tests/ovn-macros.at
    M tests/ovn-nbctl.at
    M tests/ovn-northd.at
    M tests/ovn.at
    M tests/ovs-macros.at

  Log Message:
  -----------
  tests: Introduce new testing helpers.

These simplify a lot of otherwise harder to understand checks within
the tests.  This commit should show how valuable they are, although I'm
sure scope remains to use them in more places.

Signed-off-by: Ben Pfaff <blp at ovn.org>
Acked-by: Numan Siddique <numans at ovn.org>

(cherry-picked from master commit 4afe409e95c72187a8f7a755fa19b17237d14818)