diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 855156d..b59df6c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,4 +1,4 @@
-name: Build
+name: Build and Test
 
 on:
   push:
@@ -63,7 +63,8 @@ jobs:
             dist/tljh_repo2docker*.whl
           if-no-files-found: error
 
-  test_isolated:
+  isolated-tests:
+    name: Isolated tests
     needs: build
     runs-on: ubuntu-latest
 
@@ -91,6 +92,58 @@ jobs:
         shell: bash -l {0}
         run: python -c "import tljh_repo2docker"
 
+  unit-tests:
+    name: Unit tests
+    needs: build
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.8", "3.9", "3.10"]
+        jupyterhub-version: [latest, 1.2.2]
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: mamba-org/setup-micromamba@v1
+        with:
+          micromamba-version: "1.5.5-0"
+          environment-name: tljh
+          init-shell: bash
+          create-args: >-
+            python=${{ matrix.python-version }}
+            nodejs=18
+            yarn=3
+
+      - name: Download app package
+        uses: actions/download-artifact@v3
+        with:
+          name: tljh_repo2docker-artifacts
+
+      - name: Install package
+        shell: bash -l {0}
+        run: |
+          set -eux
+          python -m pip install -r dev-requirements.txt
+          python -m pip install tljh_repo2docker*.whl
+          npm -g install configurable-http-proxy
+
+      - name: Upgrade jupyterhub
+        if: ${{ matrix.jupyterhub-version == 'latest' }}
+        run: |
+          python -m pip install -U 'jupyterhub'
+
+      - name: Downgrade jupyterhub
+        if: ${{ matrix.jupyterhub-version != 'latest' }}
+        run: |
+          python -m pip install -U 'jupyterhub==${{ matrix.jupyterhub-version }}'
+
+      - name: Run Tests
+        run: |
+          python -m pytest --cov
+
   integration-tests:
     name: Integration tests
     needs: build
@@ -123,8 +176,6 @@ jobs:
         shell: bash -l {0}
         run: |
           set -eux
-          # Remove NodeJS, twice to take care of system and locally installed node versions.
-
           python -m pip install -r dev-requirements.txt
           python -m pip install tljh_repo2docker*.whl
           npm -g install configurable-http-proxy
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
deleted file mode 100644
index c65da60..0000000
--- a/.github/workflows/test.yml
+++ /dev/null
@@ -1,41 +0,0 @@
-name: Tests
-
-on:
-  push:
-    branches: [ master ]
-  pull_request:
-    branches: [ master ]
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        python-version: ["3.8", "3.9", "3.10"]
-        jupyterhub-version: [latest, 1.2.2]
-
-    steps:
-    - uses: actions/checkout@v2
-    - name: Install node
-      uses: actions/setup-node@v2
-      with:
-       node-version: '18.x'
-    - name: Install configurable-http-proxy
-      run: npm -g install configurable-http-proxy
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v1
-      with:
-        python-version: ${{ matrix.python-version }}
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip setuptools
-        python -m pip install -r dev-requirements.txt
-        python -m pip install -e .
-    - name: Downgrade jupyterhub
-      if: ${{ matrix.jupyterhub-version != 'latest' }}
-      run: |
-        python -m pip install -U 'jupyterhub==${{ matrix.jupyterhub-version }}'
-    - name: Run Tests
-      run: |
-        python -m pytest --cov
diff --git a/frontend/ui-tests/playwright.config.js b/frontend/ui-tests/playwright.config.js
index 037c497..7940ca3 100644
--- a/frontend/ui-tests/playwright.config.js
+++ b/frontend/ui-tests/playwright.config.js
@@ -10,13 +10,5 @@ module.exports = {
     toMatchSnapshot: {
       maxDiffPixelRatio: 0.02,
     },
-  },
-  webServer: [
-    {
-      command: "yarn start",
-      port: 8000,
-      timeout: 120 * 1000,
-      reuseExistingServer: false,
-    },
-  ],
+  }
 };