[Tests] delete src/util/getComputedRole-test.js test in node 6

Due to `import type` syntax not working

Author: ljharb

.github/workflows/node-4+.yml

@@ -74,6 +74,8 @@ jobs:
  after_install: npm uninstall --no-save eslint-config-airbnb-base && NPM_CONFIG_LEGACY_PEER_DEPS=true npm install --no-save "eslint@${{ matrix.eslint }}"
  node-version: ${{ matrix.node-version }}
  skip-ls-check: true
+ - run: rm __tests__/src/util/getComputedRole-test.js
+ if: ${{ matrix.node-version < 7 }}
  - run: npm run test:ci
  - run: bash <(curl -s https://codecov.io/bash) -f coverage/*.json;