add timeouts to all tests

Author: mansona

.github/workflows/ci.yml

@@ -22,6 +22,7 @@ jobs:
   test-all-packages:
     name: Ember Tests
     runs-on: ${{ matrix.os }}
+    timeout-minutes: 15
 
     strategy:
       fail-fast: false
@@ -51,6 +52,7 @@ jobs:
   integration-tests:
     name: Integration Tests
     runs-on: ${{ matrix.os }}
+    timeout-minutes: 15
 
     strategy:
       fail-fast: false
@@ -75,6 +77,7 @@ jobs:
   test-packages:
     name: Test Packages
     runs-on: ${{ matrix.os }}
+    timeout-minutes: 15
 
     strategy:
       fail-fast: false
@@ -101,6 +104,7 @@ jobs:
   test-legacy-mocha:
     name: Legacy Mocha Tests - ${{ matrix.node-version }}
     runs-on: ubuntu-latest
+    timeout-minutes: 15
 
     strategy:
       fail-fast: false