specify demangle options for running autoloader and tests

.github/workflows/build-and-test.yml

@@ -57,11 +57,18 @@ jobs:
       - name: Create branch for version alias
         run: git checkout -b CI_current_pull_request
       - name: Install project dependencies
-        run: php ${{runner.temp}}/composer.phar install
+        run: php ${{runner.temp}}/composer.phar install --no-autoloader
+      - name: Generate autoload map
+        run: |
+          hhvm \
+            -dhhvm.hack.lang.enable_xhp_class_modifier=false \
+            -dhhvm.hack.lang.disable_xhp_element_mangling=false \
+            vendor/bin/hh-autoload
       - name: Typecheck
         run: hh_client
       - name: Run tests
-        run: vendor/bin/hacktest tests/
-      - name: Run lint
-        if: matrix.hhvm != 'nightly'
-        run: vendor/bin/hhast-lint
+        run: |
+          hhvm \
+            -dhhvm.hack.lang.enable_xhp_class_modifier=false \
+            -dhhvm.hack.lang.disable_xhp_element_mangling=false \
+            vendor/bin/hacktest tests/