Skip Buildkit digest tests

(see moby/buildkit#3736)

Signed-off-by: Laura Brehm <[email protected]>

Author: laurazard

.github/workflows/buildkit.yml

@@ -121,5 +121,6 @@ jobs:
           TEST_DOCKERD: "1"
           TEST_DOCKERD_BINARY: "./build/moby/dockerd"
           TESTPKGS: "./${{ matrix.pkg }}"
-          TESTFLAGS: "-v --parallel=1 --timeout=30m --run=//worker=${{ matrix.worker }}$"
+          # Skip buildkit tests checking the digest (see https://github.com/moby/buildkit/pull/3736)
+          TESTFLAGS: "-v --parallel=1 --timeout=30m --run=/^Test([^R]|.[^e]|..[^p]|...[^r]|....[^o]|.....[^S])/worker=${{ matrix.worker }}$"
         working-directory: buildkit