Mark //s/t/s/integration:skylark_flag_test manual
This should fix Bazel CI / bazel-tests.
See
@@ -185,6 +185,8 @@ sh_test(
size = "small",
srcs = ["skylark_flag_test.sh"],
data = [":test-deps"],
+ # TODO(brandjon): Fix GitHub issue #3072 and remove the "manual" tag.
+ tags = ["manual"],
)
sh_test(
