diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 5fb436a7..9bf65f98 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -1,10 +1,7 @@
 name: Test
 
 on:
-  pull_request:
   workflow_dispatch:
-  push:
-    branches: [master]
 
 jobs:
   test:
@@ -12,13 +9,12 @@ jobs:
     timeout-minutes: 15
     strategy:
       matrix:
-        os: ['ubuntu-latest']
+        os: ['macos-latest']
         python: ['3.8', '3.9']
-        include:
-          - os: 'macos-latest'
-            python: '3.8'
+        n: [1, 2]
     env:
-      PYTEST_ADDOPTS: --cov --color=yes
+      PYTEST_ADDOPTS: --cov --color=yes -rA --disable-warnings
+      FORCE_COLOR: 2
 
     steps:
       - name: Checkout
@@ -28,7 +24,7 @@ jobs:
         if: startsWith(matrix.os, 'macos')
         run: |
           # install system deps
-          brew update
+          # brew update
           brew install bash coreutils
 
           # add GNU coreutils to the user PATH
@@ -49,34 +45,10 @@ jobs:
           python-version: ${{ matrix.python }}
 
       - name: install cylc-flow
-        uses: cylc/release-actions/install-cylc-components@v1
-        with:
-          cylc_flow: true
-          cylc_flow_opts: ''
+        run: pip install "cylc-flow @ git+https://github.com/cylc/cylc-flow.git@8.2.x"
 
       - name: install cylc-uiserver
         run: pip install -e .[all]
 
-      - name: Style test
-        run: flake8
-
-      - name: Type checking
-        run: mypy
-
-      - name: Check changelog
-        if: startsWith(matrix.os, 'ubuntu')
-        run: towncrier build --draft
-
       - name: Test
-        run: pytest
-
-      - name: Coverage report
-        run: |
-          coverage xml --ignore-errors
-          coverage report
-
-      - name: Codecov upload
-        uses: codecov/codecov-action@v3
-        with:
-          name: '${{ matrix.os }} py-${{ matrix.python }}'
-          fail_ci_if_error: false
+        run: pytest cylc/uiserver/tests/test_resolvers.py
diff --git a/cylc/uiserver/tests/test_resolvers.py b/cylc/uiserver/tests/test_resolvers.py
index 7ebd0993..19970710 100644
--- a/cylc/uiserver/tests/test_resolvers.py
+++ b/cylc/uiserver/tests/test_resolvers.py
@@ -98,6 +98,7 @@ async def test_cat_log(workflow_run_dir):
                 first_response = response
                 is_first = False
             for line in response.get('lines', []):
+                log.warning(f"dEbUg: {line}")
                 actual += line
                 if "DONE" in line:
                     info.context['sub_statuses'][2] = 'stop'