Add support for running in-browser tests via playwright in GitHub CLI (#7820)

* Add support for running in-browser tests via playwright in GitHub CLI

* `ci.yml` was updated to store the report so that it can be inspected on failure
* `ci-test.sh` was added as an expansion to `test.sh` which installs and runs playwright
* `playwright.spec.js` does the actual verification of opening the test TW edition in browser, waiting for the tests to finish and then verifying it has indeed passed
* `playwright.config.js` Playwrifht configuration

* Add support for running in-browser tests via playwright in GitHub CLI

* `ci.yml` was updated to store the report so that it can be inspected on failure
* `ci-test.sh` was added as an expansion to `test.sh` which installs and runs playwright
* `playwright.spec.js` does the actual verification of opening the test TW edition in browser, waiting for the tests to finish and then verifying it has indeed passed
* `playwright.config.js` Playwrifht configuration

* Fix file permissions for `ci-test.sh`

* Increased node version for github actions to support playwright

* Add installation of the required @playwright/test library during CI test execution

.github/workflows/ci.yml

@@ -5,7 +5,7 @@ on:
       - master
       - tiddlywiki-com
 env:
-  NODE_VERSION: "12"
+  NODE_VERSION: "18"
 jobs:
   test:
     runs-on: ubuntu-latest
@@ -14,7 +14,13 @@ jobs:
       - uses: actions/setup-node@v1
         with:
           node-version: "${{ env.NODE_VERSION }}"
-      - run: "./bin/test.sh"
+      - run: "./bin/ci-test.sh"
+      - uses: actions/upload-artifact@v3
+        if: always()
+        with:
+          name: playwright-report
+          path: playwright-report/
+          retention-days: 30
   build-prerelease:
     runs-on: ubuntu-latest
     if: github.ref == 'refs/heads/master'