Attempting to run: > import-w3c-tests -t web-platform-tests/css/css-anchor-position results in the following output: " Downloading W3C test repositories Cloning https://github.com/web-platform-tests/wpt.git into /Users/davidchoi/Code/OpenSource/WebKitBuild/w3c-tests/web-platform-tests... Checking out revision origin/master Scanning /Users/davidchoi/Code/OpenSource/WebKitBuild/w3c-tests/web-platform-tests/css/css-anchor-position/... Scanning /Users/davidchoi/Code/OpenSource/WebKitBuild/w3c-tests/web-platform-tests/css/css-anchor-position/support... Scanning /Users/davidchoi/Code/OpenSource/WebKitBuild/w3c-tests/web-platform-tests/css/css-anchor-position/parsing... Scanning /Users/davidchoi/Code/OpenSource/WebKitBuild/w3c-tests/web-platform-tests/css/css-anchor-position/reference... Import complete IMPORTED 0 TOTAL TESTS Imported 0 reftests Imported 0 JS tests Imported 0 Crash tests Imported 0 pixel/manual tests Properties needing prefixes (by count): Property values needing prefixes (by count): --------- Please include the following in your commit message: --------- Upstream commit: https://github.com/web-platform-tests/wpt/commit/302696854a153a3f476c50574aab87685f402f22 ------------------------------------------------------------------------ " It does not copy any tests to the LayoutTest subdirectories. The problem is also resolved by adding the `--all` flag. WebKit commit hash: be0cf29026ecf3333adab408199cdb6436060f89
<rdar://problem/129370630>