Updates npm test script to run bazel test //... in _all_ workspac…

…es in the repository.

This is basically the same thing CI does. I also added `test:incompatible` which adds the `--config incompatible` flag to make sure we don't regress ahead of future breaking changes to Bazel.

package.json

@@ -11,7 +11,8 @@
         "bazel": "bazel",
         "ibazel": "ibazel",
         "build": "bazel build //...",
-        "test": "bazel test //...",
+        "test": "find . -name WORKSPACE.bazel -printf '%h\\n' | sort | xargs -I {} bash -c '(cd {} && bazel test //...)'",
+        "test:incompatible": "find . -name WORKSPACE.bazel -printf '%h\\n' | sort | xargs -I {} bash -c '(cd {} && bazel test //... --config incompatible)'",
         "lint": "npm run -s eslint -- . --max-warnings 0 --report-unused-disable-directives",
         "lint-fix": "npm run -s lint -- --fix",
         "lint-commit": "git diff \"${COMMIT}~1..${COMMIT}\" --name-only | npm run -s -- filter-lintable | xargs -P 8 -L 1 -I {} bash -c \"git show \\\"${COMMIT}:{}\\\" --diff-filter=d | npm run -s -- eslint --stdin --stdin-filename \\\"{}\\\"\" --max-warnings 0 --report-unused-disable-directives",