test/test-data*: add park_joy_90p_8_420_monochrome.y4m

since:
6e2aac2fb Fix y4m monochrome output; split raw/y4m logic

Change-Id: I342d0263a9c2c9bb9cf27be942140cf783fb81b7

test/test-data.sha1

diff --git a/test/test-data.sha1 b/test/test-data.sha1
index 0f8e116..67b9454 100644
--- a/test/test-data.sha1
+++ b/test/test-data.sha1
@@ -503,3 +503,4 @@
 8c528fb3ccda959a29721566e132f730935ca32b *av1-1-b8-03-sizedown.mkv.md5
 1889da5ee1708007e47bb887470ac477e1d7ba01 *av1-1-b8-03-sizeup.mkv
 8de81b170635d456602dc8923a8b39c534d01fa8 *av1-1-b8-03-sizeup.mkv.md5
+d3ed7de0aa8c155fe35e0f5f4203240710d31383 *park_joy_90p_8_420_monochrome.y4m

test/test_data_util.cmake

diff --git a/test/test_data_util.cmake b/test/test_data_util.cmake
index 9dbd237..28b08a8 100644
--- a/test/test_data_util.cmake
+++ b/test/test_data_util.cmake
@@ -34,6 +34,7 @@
             "park_joy_90p_12_444.y4m"
             "park_joy_90p_8_420_a10-1.y4m"
             "park_joy_90p_8_420.y4m"
+            "park_joy_90p_8_420_monochrome.y4m"
             "park_joy_90p_8_422.y4m"
             "park_joy_90p_8_444.y4m"
             "desktop_credits.y4m"