Sync parserTests with core.

This matches upstream commit e0e58939694c085c04518816d03b98b03407e6ce.

Both parsoid and core are now in sync with renamed sections and
combined tests for html/php and html/parsoid.  This commit just
records the synchronization point.

Change-Id: I65eda05a6ab1c28a7b6eccb3b773cf9d90f033a4