This now aligns with Parsoid commit 51baccc8741108a9e3f763f2c19c6ce6eda55ac4
Three tests needed to be disabled because they had dependencies on features
not included in core's CI:
* {{#if}} used in tests added by I71c38b42ac9bfb7137f2e34df70bdfa139abced7
but only provided by the ParserFunctions extension
* <poem> used in tests added by I5a6356a82251881a5f841b36a7f26879fc611138
but only provided by the Poem extension
In addition, the "multiline" part of the "Expansion of multi-line..."
parser tests seems to have been lost at some point. My best guess is
that the definition of `Template:1x` initially included an extra
newline which was lost, maybe during an unrelated stripping of
leading/trailing whitespace in `!! article` clauses. In any case,
these tests are no longer testing the thing they say they are.
These will be fixed in a follow up.
Change-Id: Ia9144634625f176fbea11f3d2ef4b21a5492e99b