On forthcoming MultimapSubject, add containsExactly(Object... alternatingKeysAndValues)

[cpovirk]

I think that, if this doesn't exist, we will see people continue to write their assertions in multiple parts:

assertThat(foo).hasSize(5);
assertThat(foo).containsEntry(a, b);
assertThat(foo).containsEntry(c, d);
...

[dimo414]

@nymanjens might want to weigh in on this.

[nymanjens]

+1 This would be consistent with MapSubject, right?

[cpovirk]

We finally did this.