Mark variable-declaration-16.html as flaky

[email protected]
NOTRY=true
BUG=609760, 582836

Review-Url: https://codereview.chromium.org/1955853002
Cr-Commit-Position: refs/heads/master@{#392042}
diff --git a/third_party/WebKit/LayoutTests/TestExpectations b/third_party/WebKit/LayoutTests/TestExpectations
index 06909202..b71c426d 100644
--- a/third_party/WebKit/LayoutTests/TestExpectations
+++ b/third_party/WebKit/LayoutTests/TestExpectations
@@ -994,6 +994,7 @@
 crbug.com/553838 [ Mac ] imported/csswg-test/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-align-self-baseline-horiz-001b.xhtml [ Failure ]
 
 crbug.com/582836 imported/csswg-test/vendor-imports/mozilla/mozilla-central-reftests/variables/variable-declaration-15.html [ Failure ]
+crbug.com/582836 imported/csswg-test/vendor-imports/mozilla/mozilla-central-reftests/variables/variable-declaration-16.html [ Pass Failure ]
 crbug.com/582836 imported/csswg-test/vendor-imports/mozilla/mozilla-central-reftests/variables/variable-declaration-17.html [ Pass Failure ]
 
 # These need a rebaseline due crbug.com/504745 on Windows when they are activated again.