[Skia] Unsuppress xfermodes.pdf corpus test

Stops suppressing xfermodes.pdf corpus test after updating expectations
to 917d3b447588583c2ce707cdb5837a5fd9655d45.

Bug: pdfium:1845, pdfium:1959
Change-Id: I68b68b4c40eb17ae8fd8a5c3cb08aa669059ec68
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/102510
Reviewed-by: Nigi <nigi@chromium.org>
Commit-Queue: K. Moon <kmoon@chromium.org>
diff --git a/DEPS b/DEPS
index 0ec492c..ab9c99f 100644
--- a/DEPS
+++ b/DEPS
@@ -140,7 +140,7 @@
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling pdfium_tests
   # and whatever else without interference from each other.
-  'pdfium_tests_revision': '20e9894b12154d257612a2829a4b4a37e057267e',
+  'pdfium_tests_revision': '917d3b447588583c2ce707cdb5837a5fd9655d45',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling resultdb
   # and whatever else without interference from each other.
diff --git a/testing/SUPPRESSIONS b/testing/SUPPRESSIONS
index 054e263..0fc8bc5 100644
--- a/testing/SUPPRESSIONS
+++ b/testing/SUPPRESSIONS
@@ -411,13 +411,10 @@
 whats_new_in_v3.0.pdf mac * * *
 widget_javascript.pdf mac * * *
 
-# TODO(pdfium:1804): Remove after associated bug is fixed
-xfermodes.pdf * * * skia
-
-# TODO(pdfium:1804): Remove after associated bug is fixed
+# TODO(pdfium:1959): Remove after associated bug is fixed
 xfermodes2.pdf * * * skia
 
-# TODO(pdfium:1804): Remove after associated bug is fixed
+# TODO(pdfium:1959): Remove after associated bug is fixed
 xfermodes3.pdf * * * skia
 
 zh_file1.pdf mac * * *