Disable test for experimental_build_transitive_python_runfiles under non-Bazel.

This behavior is being disabled within Google, so skip this test when run
under Google's version of blaze.

Work towards bazelbuild#16303

PiperOrigin-RevId: 478838783
Change-Id: Ifa37d86763e57a2fe20eca4cd4e6b4e8206e038c

Author: rickeylev

src/test/shell/integration/python_test.sh

@@ -144,9 +144,15 @@ EOF
   # happens is Google has stamping enabled by default, which causes the
   # Starlark rule implementation to run an action, which then tries to run
   # remotely, but network access is disabled by default, so it times out.
-  bazel build --experimental_build_transitive_python_runfiles --nostamp :sh-tool
-  [ -d "bazel-bin/py-tool${EXE_EXT}.runfiles" ] || fail "py_binary runfiles tree not built"
-  bazel clean
+
+  # The upcoming Starlark implementation doesn't support this behavior.
+  # This feature is planed for removal.
+  # See https://github.com/bazelbuild/bazel/issues/16303
+  if [[ "$PRODUCT_NAME" == "bazel" ]]; then
+    bazel build --experimental_build_transitive_python_runfiles --nostamp :sh-tool
+    [ -d "bazel-bin/py-tool${EXE_EXT}.runfiles" ] || fail "py_binary runfiles tree not built"
+    bazel clean
+  fi
   bazel build --noexperimental_build_transitive_python_runfiles --nostamp :sh-tool
   [ ! -e "bazel-bin/py-tool${EXE_EXT}.runfiles" ] || fail "py_binary runfiles tree built"
 }