chore: one more workaround for repo-tools EPERM (#37)

Author: alexander-fenster

packages/google-privacy-dlp/.circleci/config.yml

@@ -189,6 +189,10 @@ jobs:
           command: |
             mkdir -p /home/node/.npm-global
             npm install
+            repo_tools="node_modules/@google-cloud/nodejs-repo-tools/bin/tools"
+            if ! test -x "$repo_tools"; then
+              chmod +x "$repo_tools"
+            fi
             npm link
           environment:
             NPM_CONFIG_PREFIX: /home/node/.npm-global
@@ -228,7 +232,12 @@ jobs:
                 -k "${SYSTEM_TESTS_ENCRYPTION_KEY}"
       - run:
           name: Install modules and dependencies.
-          command: npm install
+          command: |-
+            npm install
+            repo_tools="node_modules/@google-cloud/nodejs-repo-tools/bin/tools"
+            if ! test -x "$repo_tools"; then
+              chmod +x "$repo_tools"
+            fi
       - run:
           name: Run system tests.
           command: npm run system-test