Roll corpus tests again

Picks up https://pdfium-review.googlesource.com/c/pdfium_tests/+/142490

Bug: 42271957
Change-Id: I1d69eff3dc73092afa016c4c08d1c912828bd3e5
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/142491
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Nico Weber <thakis@chromium.org>
Reviewed-by: Nico Weber <thakis@google.com>
diff --git a/DEPS b/DEPS
index 2978392..e0d7caa 100644
--- a/DEPS
+++ b/DEPS
@@ -212,7 +212,7 @@
   # 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': 'f78c65b71bd32a418584eee501ce419e3e71e1df',
+  'pdfium_tests_revision': 'e64acd24f00d365c3f7c60e9c4eff16ce2d71f5d',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling result_adapter_revision
   # and whatever else without interference from each other.