[Tests] move install script tests to github actions

.github/workflows/install.yml

@@ -0,0 +1,54 @@
+name: install script
+
+on: [push]
+
+jobs:
+  tests:
+    permissions:
+      contents: write
+
+    name: "tests: install script"
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        shell: 'script -q -e -c "${{ matrix.shell }} {0}"'
+
+    strategy:
+      fail-fast: false
+      matrix:
+        shell:
+          - bash
+        suite:
+          - install_script
+
+    steps:
+      - name: Harden Runner
+        uses: step-security/harden-runner@v1
+        with:
+          allowed-endpoints:
+            github.com:443
+            registry.npmjs.org:443
+            raw.githubusercontent.com:443
+            nodejs.org:443
+            iojs.org:443
+      - uses: actions/checkout@v3
+      - run: sudo ${{ matrix.shell }} --version 2> /dev/null || dpkg -s ${{ matrix.shell }} 2> /dev/null || which ${{ matrix.shell }}
+      - run: curl --version
+      - run: wget --version
+      - uses: ljharb/actions/node/run@main
+        name: 'npm install && version checks'
+        with:
+          node-version: 'lts/*'
+          skip-ls-check: true
+          shell-command: echo installed
+      - run: npm ls urchin
+      - run: npm bin
+      - run: env
+      - run: TERM=xterm-256color SHELL="${{ matrix.shell }}" URCHIN="$(npm bin)/urchin" TEST_SUITE="${{ matrix.suite }}" make test-${{ matrix.shell }}
+
+  nvm:
+    name: 'all test suites, all shells'
+    needs: [tests]
+    runs-on: ubuntu-latest
+    steps:
+      - run: 'echo tests completed'

.travis.yml

@@ -37,7 +37,6 @@ env:
     - PATH="/usr/lib/ccache/:$PATH"
     - NVM_DIR="${TRAVIS_BUILD_DIR}"
   matrix:
-    - SHELL=bash TEST_SUITE=install_script
     - SHELL=sh TEST_SUITE=fast
     - SHELL=dash TEST_SUITE=fast
     - SHELL=bash TEST_SUITE=fast