diff --git a/.github/scripts/generate-without-spyder.py b/.github/scripts/generate-without-spyder.py
new file mode 100644
index 00000000..26a94a63
--- /dev/null
+++ b/.github/scripts/generate-without-spyder.py
@@ -0,0 +1,17 @@
+#!/usr/bin/env python
+#
+# Copyright (c) Spyder Project Contributors
+# Licensed under the terms of the MIT License
+# (see LICENSE.txt for details)
+
+"""Script to generate requirements/without-spyder.txt"""
+
+import re
+
+with open('requirements/conda.txt') as infile:
+    with open('requirements/without-spyder.txt', 'w') as outfile:
+        for line in infile:
+            package_name = re.match('[-a-z0-9_]*', line).group(0)
+            if package_name != 'spyder':
+                outfile.write(line)
+
diff --git a/.github/workflows/linux-tests.yml b/.github/workflows/linux-tests.yml
deleted file mode 100644
index dc7b3ee8..00000000
--- a/.github/workflows/linux-tests.yml
+++ /dev/null
@@ -1,75 +0,0 @@
-name: Linux tests
-
-on:
-  push:
-    branches:
-    - master
-    - '0.*'
-  pull_request:
-    branches:
-    - master
-    - '0.*'
-
-jobs:
-  linux:
-    name: Linux Py${{ matrix.PYTHON_VERSION }}
-    runs-on: ubuntu-latest
-    env:
-      CI: True
-      PYTHON_VERSION: ${{ matrix.PYTHON_VERSION }}
-      RUNNER_OS: 'ubuntu'
-    strategy:
-      fail-fast: false 
-      matrix:
-        PYTHON_VERSION: ['3.8', '3.9', '3.10']
-    steps:
-      - name: Checkout branch
-        uses: actions/checkout@v3
-      - name: Install System Packages
-        run: | 
-          sudo apt-get update --fix-missing
-          sudo apt-get install -qq pyqt5-dev-tools libxcb-xinerama0 --fix-missing
-      - name: Install Conda
-        uses: conda-incubator/setup-miniconda@v2
-        with:
-          activate-environment: test
-          auto-update-conda: true
-          auto-activate-base: false
-          python-version: ${{ matrix.PYTHON_VERSION }}
-          channels: conda-forge
-          channel-priority: strict
-          miniforge-variant: Mambaforge
-      - name: Install node.js
-        shell: bash -l {0}
-        run: mamba install nodejs -y
-      - name: Install package dependencies
-        shell: bash -l {0}
-        run: mamba install --file requirements/conda.txt -y
-      - name: Install test dependencies
-        shell: bash -l {0}
-        run: mamba install --file requirements/tests.txt -y
-      - name: Install Jupyter Notebook using pip
-        shell: bash -l {0}
-        run: python -m pip install notebook==7.0.0a15 jupyterlab==4.0.0a34 --pre
-      - name: Build JavaScript
-        shell: bash -l {0}
-        run: |
-          cd spyder_notebook/server
-          jlpm install
-          jlpm build
-      - name: Install Package
-        shell: bash -l {0}
-        run: pip install --no-deps -e .
-      - name: Show environment information
-        shell: bash -l {0}
-        run: |
-          conda info
-          conda list
-      - name: Run tests
-        shell: bash -l {0}
-        run: xvfb-run --auto-servernum pytest spyder_notebook --cov=spyder_notebook --color=yes -x -vv
-        timeout-minutes: 10
-      - name: Upload coverage to Codecov
-        if: matrix.PYTHON_VERSION == '3.8'
-        shell: bash -l {0}
-        run: codecov -t dd249610-b0a4-42f6-bcfa-e7968f836790
diff --git a/.github/workflows/macos-tests.yml b/.github/workflows/macos-tests.yml
deleted file mode 100644
index fe3daf3b..00000000
--- a/.github/workflows/macos-tests.yml
+++ /dev/null
@@ -1,67 +0,0 @@
-name: Macos tests
-
-on:
-  push:
-    branches:
-    - master
-    - '0.*'
-  pull_request:
-    branches:
-    - master
-    - '0.*'
-
-jobs:
-  macos:
-    name: Mac Py${{ matrix.PYTHON_VERSION }}
-    runs-on: macos-10.15
-    env:
-      CI: True
-      PYTHON_VERSION: ${{ matrix.PYTHON_VERSION }}
-      RUNNER_OS: 'macos'
-    strategy:
-      fail-fast: false 
-      matrix:
-        PYTHON_VERSION: ['3.8', '3.9', '3.10']
-    steps:
-      - name: Checkout branch
-        uses: actions/checkout@v3
-      - name: Install Conda
-        uses: conda-incubator/setup-miniconda@v2
-        with:
-          activate-environment: test
-          auto-update-conda: true
-          auto-activate-base: false
-          python-version: ${{ matrix.PYTHON_VERSION }}
-          channels: conda-forge
-          channel-priority: strict
-          miniforge-variant: Mambaforge
-      - name: Install node.js
-        shell: bash -l {0}
-        run: mamba install nodejs -y
-      - name: Install package dependencies
-        shell: bash -l {0}
-        run: mamba install --file requirements/conda.txt -y
-      - name: Install test dependencies
-        shell: bash -l {0}
-        run: mamba install --file requirements/tests.txt -y
-      - name: Install Jupyter Notebook using pip
-        shell: bash -l {0}
-        run: python -m pip install notebook==7.0.0a15 jupyterlab==4.0.0a34 --pre
-      - name: Build JavaScript
-        shell: bash -l {0}
-        run: |
-          cd spyder_notebook/server
-          jlpm install
-          jlpm build
-      - name: Install Package
-        shell: bash -l {0}
-        run: pip install --no-deps -e .
-      - name: Show environment information
-        shell: bash -l {0}
-        run: |
-          conda info
-          conda list
-      - name: Run tests
-        shell: bash -l {0}
-        run: pytest spyder_notebook --cov=spyder_notebook --color=yes -x -vv
-        timeout-minutes: 10
diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
new file mode 100644
index 00000000..4c530cbc
--- /dev/null
+++ b/.github/workflows/run-tests.yml
@@ -0,0 +1,126 @@
+name: Run tests
+
+on:
+  push:
+    branches:
+    - master
+  pull_request:
+    branches:
+    - master
+
+jobs:
+  main:
+    strategy:
+      fail-fast: false 
+      matrix:
+        OS: ['ubuntu', 'macos', 'windows']
+        PYTHON_VERSION: ['3.8', '3.9', '3.10']
+        SPYDER_SOURCE: ['conda']
+    name: ${{ matrix.OS }} py${{ matrix.PYTHON_VERSION }} spyder-from-${{ matrix.SPYDER_SOURCE }}
+    runs-on: ${{ matrix.OS }}-latest
+    env:
+      CI: True
+      PYTHON_VERSION: ${{ matrix.PYTHON_VERSION }}
+    steps:
+      - name: Checkout branch
+        uses: actions/checkout@v3
+      - name: Install System Packages
+        if: matrix.OS == 'ubuntu'
+        run: | 
+          sudo apt-get update --fix-missing
+          sudo apt-get install -qq pyqt5-dev-tools libxcb-xinerama0 xterm --fix-missing
+      - name: Install Conda
+        uses: conda-incubator/setup-miniconda@v2
+        with:
+           miniforge-variant: Mambaforge
+           auto-update-conda: true
+           python-version: ${{ matrix.PYTHON_VERSION }} 
+      - name: Checkout Spyder from git
+        if: matrix.SPYDER_SOURCE == 'git'
+        uses: actions/checkout@v3
+        with:
+          repository: 'spyder-ide/spyder'
+          path: 'spyder'
+      - name: Install Spyder's dependencies (main)
+        if: matrix.SPYDER_SOURCE == 'git'
+        shell: bash -l {0}
+        run: mamba env update --file spyder/requirements/main.yml
+      - name: Install Spyder's dependencies (Linux)
+        if: matrix.SPYDER_SOURCE == 'git' && matrix.OS == 'ubuntu'
+        shell: bash -l {0}
+        run: mamba env update --file spyder/requirements/linux.yml
+      - name: Install Spyder's dependencies (Mac / Windows)
+        if: matrix.SPYDER_SOURCE == 'git' && matrix.OS != 'ubuntu'
+        shell: bash -l {0}
+        run: mamba env update --file spyder/requirements/${{ matrix.OS }}.yml
+      - name: Install Spyder from source
+        if: matrix.SPYDER_SOURCE == 'git'
+        shell: bash -l {0}
+        run: pip install --no-deps -e spyder
+      - name: Install node.js
+        shell: bash -l {0}
+        run: mamba install nodejs -y
+      - name: Install plugin dependencies (without Spyder)
+        if: matrix.SPYDER_SOURCE == 'git'
+        shell: bash -l {0}
+        run: |
+          python .github/scripts/generate-without-spyder.py
+          mamba install --file requirements/without-spyder.txt -y
+      - name: Install plugin dependencies
+        if: matrix.SPYDER_SOURCE == 'conda'
+        shell: bash -l {0}
+        run: mamba install --file requirements/conda.txt -y
+      - name: Install test dependencies
+        shell: bash -l {0}
+        run: |
+          mamba install nomkl -y -q
+          mamba install --file requirements/tests.txt -y
+      - name: Install Jupyter Notebook using pip
+        shell: bash -l {0}
+        run: python -m pip install notebook==7.0.0a15 jupyterlab==4.0.0a34 --pre
+      - name: Build JavaScript
+        shell: bash -l {0}
+        run: |
+          cd spyder_notebook/server
+          jlpm install
+          jlpm build
+      - name: Install plugin
+        shell: bash -l {0}
+        run: pip install --no-deps -e .
+      - name: Show environment information
+        shell: bash -l {0}
+        run: |
+          mamba info
+          mamba list
+      - name: Run tests (Linux)
+        if: matrix.OS == 'ubuntu'
+        uses: nick-fields/retry@v2
+        with:
+          timeout_minutes: 10
+          max_attempts: 3
+          shell: bash
+          command: |
+            . ~/.profile
+            xvfb-run --auto-servernum pytest spyder_notebook --cov=spyder_notebook --cov-report=xml -vv
+      - name: Run tests (MacOS)
+        if: matrix.OS == 'macos'
+        uses: nick-fields/retry@v2
+        with:
+          timeout_minutes: 10
+          max_attempts: 3
+          shell: bash
+          command: |
+            . ~/.profile
+            pytest spyder_notebook -vv
+      - name: Run tests (Windows)
+        if: matrix.OS == 'windows'
+        uses: nick-fields/retry@v2
+        with:
+          timeout_minutes: 10
+          max_attempts: 3
+          command: pytest spyder_notebook -vv
+      - name: Upload coverage to Codecov
+        if: matrix.OS == 'ubuntu' && matrix.PYTHON_VERSION == '3.10'
+        uses: codecov/codecov-action@v3
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
diff --git a/.github/workflows/windows-tests.yml b/.github/workflows/windows-tests.yml
deleted file mode 100644
index f573f0d1..00000000
--- a/.github/workflows/windows-tests.yml
+++ /dev/null
@@ -1,67 +0,0 @@
-name: Windows tests
-
-on:
-  push:
-    branches:
-    - master
-    - '0.*'
-  pull_request:
-    branches:
-    - master
-    - '0.*'
-
-jobs:
-  windows:
-    name: Windows Py${{ matrix.PYTHON_VERSION }}
-    runs-on: windows-latest
-    env:
-      CI: True
-      PYTHON_VERSION: ${{ matrix.PYTHON_VERSION }}
-      RUNNER_OS: 'windows'
-    strategy:
-      fail-fast: false 
-      matrix:
-        PYTHON_VERSION: ['3.8', '3.9', '3.10']
-    steps:
-      - name: Checkout branch
-        uses: actions/checkout@v3
-      - name: Install Conda
-        uses: conda-incubator/setup-miniconda@v2
-        with:
-          activate-environment: test
-          auto-update-conda: true
-          auto-activate-base: false
-          python-version: ${{ matrix.PYTHON_VERSION }}
-          channels: conda-forge
-          channel-priority: strict
-          miniforge-variant: Mambaforge
-      - name: Install node.js
-        shell: bash -l {0}
-        run: mamba install nodejs -y
-      - name: Install package dependencies
-        shell: bash -l {0}
-        run: mamba install --file requirements/conda.txt -y
-      - name: Install test dependencies
-        shell: bash -l {0}
-        run: mamba install --file requirements/tests.txt -y
-      - name: Install Jupyter Notebook using pip
-        shell: bash -l {0}
-        run: python -m pip install notebook==7.0.0a15 jupyterlab==4.0.0a34 --pre
-      - name: Build JavaScript
-        shell: bash -l {0}
-        run: |
-          cd spyder_notebook/server
-          jlpm install
-          jlpm build
-      - name: Install Package
-        shell: bash -l {0}
-        run: pip install --no-deps -e .
-      - name: Show environment information
-        shell: bash -l {0}
-        run: |
-          conda info
-          conda list
-      - name: Run tests
-        shell: bash -l {0}
-        run: pytest spyder_notebook --cov=spyder_notebook --color=yes -x -vv
-        timeout-minutes: 10
diff --git a/requirements/tests.txt b/requirements/tests.txt
index 3f94fce0..23ac7daa 100644
--- a/requirements/tests.txt
+++ b/requirements/tests.txt
@@ -1,4 +1,3 @@
-codecov
 flaky
 pytest
 pytest-cov