diff --git a/registry/DanTup_tiler.test b/registry/DanTup_tiler.test
index 255d1a96..77833d08 100644
--- a/registry/DanTup_tiler.test
+++ b/registry/DanTup_tiler.test
@@ -6,9 +6,10 @@
 
 contact=danny@tuppeny.com
 fetch=git clone https://github.com/DanTup/tiler.git tests
-fetch=git -C tests checkout 3cb0cad96cc393b85cf7e38c4623cc16390f906e
+fetch=git -C tests checkout 0f80585f1f7d9a01a463c316e44c59b3cc86f9f0
 fetch=git -C tests submodule init
 fetch=git -C tests submodule update --recursive
 update=.
 test=flutter analyze --no-fatal-infos
-test=flutter test test
+test.windows=flutter test test
+test.posix=env USE_FLUTTER_TEST_FONT=1 flutter test test
diff --git a/registry/flutter_packages.test b/registry/flutter_packages.test
index c6e52d0c..9169c84b 100644
--- a/registry/flutter_packages.test
+++ b/registry/flutter_packages.test
@@ -9,6 +9,7 @@ contact=ian@hixie.ch
 update=packages/rfw
 
 fetch=git -c core.longPaths=true clone https://github.com/flutter/packages.git tests
-fetch=git -c core.longPaths=true -C tests checkout 789e3a72c9d439336bb50e5d291128347f7f6967
+fetch=git -c core.longPaths=true -C tests checkout 784291b4fdf4c95c5c5e57fc465cbd16fece35ba
+test.windows=set USE_FLUTTER_TEST_FONT=1
 test.windows=.\customer_testing.bat
-test.posix=./customer_testing.sh
+test.posix=env USE_FLUTTER_TEST_FONT=1 ./customer_testing.sh
diff --git a/scripts/verify_tests_on_master.bat b/scripts/verify_tests_on_master.bat
index eb1488d1..465528b5 100644
--- a/scripts/verify_tests_on_master.bat
+++ b/scripts/verify_tests_on_master.bat
@@ -46,6 +46,7 @@ CD ..\..\..
 :: Windows takes longer than the other systems to run tests. Default is lowered
 :: to 10 repeat runs to reduce strain on infra.
 @ECHO.
+set USE_FLUTTER_TEST_FONT=1
 CALL dart flutter\dev\customer_testing\run_tests.dart --repeat=10 --skip-template --shards %SHARDS% --shard-index %SHARD_INDEX% --verbose registry/*.test || GOTO :END
 @ECHO ON