Overall timeout and try a known-working test

Author: jpolitz

.github/workflows/makefile.yml

@@ -9,6 +9,7 @@ on:
 jobs:
   build-and-test:
     runs-on: ubuntu-latest
+    timeout-minutes: 30
 
     steps:
     - name: Checkout repository
@@ -98,5 +99,5 @@ jobs:
           npm run mocha -- --grep modules --invert
         else
           echo "Running all tests"
-          npm run mocha -- -g pyret-init
+          npm run mocha -- -g bar-char-test.arr
         fi