diff --git a/.github/workflows/macos-tests-3.10.yml b/.github/workflows/macos-tests-3.10.yml
index 70d2557..f2b362b 100644
--- a/.github/workflows/macos-tests-3.10.yml
+++ b/.github/workflows/macos-tests-3.10.yml
@@ -12,16 +12,6 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: "3.10"
-      - name: Set-up miniconda for macos and ubuntu
-        uses: conda-incubator/setup-miniconda@v2
-        with:
-          auto-update-conda: true
-          python-version: 3.10
-          miniconda-version: "latest"
-      - name: Create conda env
-        run: conda create -n spare python=3.10
-      - name: Install pip
-        run: conda run -n spare conda install pip
       - name: Install spare scores
         run: |
           python -m pip cache purge
diff --git a/.github/workflows/macos-tests-3.11.yml b/.github/workflows/macos-tests-3.11.yml
index e897239..6e263f6 100644
--- a/.github/workflows/macos-tests-3.11.yml
+++ b/.github/workflows/macos-tests-3.11.yml
@@ -12,16 +12,6 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: "3.11"
-      - name: Set-up miniconda for macos and ubuntu
-        uses: conda-incubator/setup-miniconda@v2
-        with:
-          auto-update-conda: true
-          python-version: 3.11
-          miniconda-version: "latest"
-      - name: Create conda env
-        run: conda create -n spare python=3.11
-      - name: Install pip
-        run: conda run -n spare conda install pip
       - name: Install spare scores
         run: |
           python -m pip cache purge
diff --git a/.github/workflows/macos-tests-3.12.yml b/.github/workflows/macos-tests-3.12.yml
index 5fa18b8..5c5db75 100644
--- a/.github/workflows/macos-tests-3.12.yml
+++ b/.github/workflows/macos-tests-3.12.yml
@@ -12,16 +12,6 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: "3.12"
-      - name: Set-up miniconda for macos and ubuntu
-        uses: conda-incubator/setup-miniconda@v2
-        with:
-          auto-update-conda: true
-          python-version: 3.12
-          miniconda-version: "latest"
-      - name: Create conda env
-        run: conda create -n spare python=3.12
-      - name: Install pip
-        run: conda run -n spare conda install pip
       - name: Install spare scores
         run: |
           python -m pip cache purge
diff --git a/.github/workflows/macos-tests-3.8.yml b/.github/workflows/macos-tests-3.8.yml
index 6c2eb7c..b90ad11 100644
--- a/.github/workflows/macos-tests-3.8.yml
+++ b/.github/workflows/macos-tests-3.8.yml
@@ -12,16 +12,6 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: "3.8"
-      - name: Set-up miniconda for macos and ubuntu
-        uses: conda-incubator/setup-miniconda@v2
-        with:
-          auto-update-conda: true
-          python-version: 3.8
-          miniconda-version: "latest"
-      - name: Create conda env
-        run: conda create -n spare python=3.8
-      - name: Install pip
-        run: conda run -n spare conda install pip
       - name: Install spare scores
         run: |
           python -m pip cache purge
diff --git a/.github/workflows/macos-tests-3.9.yml b/.github/workflows/macos-tests-3.9.yml
index efa5a65..9e392d8 100644
--- a/.github/workflows/macos-tests-3.9.yml
+++ b/.github/workflows/macos-tests-3.9.yml
@@ -12,16 +12,6 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: "3.9"
-      - name: Set-up miniconda for macos and ubuntu
-        uses: conda-incubator/setup-miniconda@v2
-        with:
-          auto-update-conda: true
-          python-version: 3.9
-          miniconda-version: "latest"
-      - name: Create conda env
-        run: conda create -n spare python=3.9
-      - name: Install pip
-        run: conda run -n spare conda install pip
       - name: Install spare scores
         run: |
           python -m pip cache purge
diff --git a/.github/workflows/ubuntu-tests-3.10.yml b/.github/workflows/ubuntu-tests-3.10.yml
index 9e313a3..e633a42 100644
--- a/.github/workflows/ubuntu-tests-3.10.yml
+++ b/.github/workflows/ubuntu-tests-3.10.yml
@@ -12,16 +12,6 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: "3.10"
-      - name: Set-up miniconda for macos and ubuntu
-        uses: conda-incubator/setup-miniconda@v2
-        with:
-          auto-update-conda: true
-          python-version: 3.10
-          miniconda-version: "latest"
-      - name: Create conda env
-        run: conda create -n spare python=3.10
-      - name: Install pip
-        run: conda run -n spare conda install pip
       - name: Install spare scores
         run: |
           python -m pip cache purge
@@ -34,4 +24,4 @@ jobs:
         run: pip install setuptools && pip install .
       - name: Run unit tests
         run: |
-          cd tests/unit && python -m unittest discover -s . -p "*.py"
+          cd tests/unit && pytest --cov=../../
diff --git a/.github/workflows/ubuntu-tests-3.11.yml b/.github/workflows/ubuntu-tests-3.11.yml
index 2daf4f2..8156691 100644
--- a/.github/workflows/ubuntu-tests-3.11.yml
+++ b/.github/workflows/ubuntu-tests-3.11.yml
@@ -12,16 +12,6 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: "3.11"
-      - name: Set-up miniconda for macos and ubuntu
-        uses: conda-incubator/setup-miniconda@v2
-        with:
-          auto-update-conda: true
-          python-version: 3.11
-          miniconda-version: "latest"
-      - name: Create conda env
-        run: conda create -n spare python=3.11
-      - name: Install pip
-        run: conda run -n spare conda install pip
       - name: Install spare scores
         run: |
           python -m pip cache purge
@@ -34,4 +24,4 @@ jobs:
         run: pip install setuptools && pip install .
       - name: Run unit tests
         run: |
-          cd tests/unit && python -m unittest discover -s . -p "*.py"
+          cd tests/unit && pytest --cov=../../
diff --git a/.github/workflows/ubuntu-tests-3.12.yml b/.github/workflows/ubuntu-tests-3.12.yml
index 9c90ced..038f30d 100644
--- a/.github/workflows/ubuntu-tests-3.12.yml
+++ b/.github/workflows/ubuntu-tests-3.12.yml
@@ -12,16 +12,6 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: "3.12"
-      - name: Set-up miniconda for macos and ubuntu
-        uses: conda-incubator/setup-miniconda@v2
-        with:
-          auto-update-conda: true
-          python-version: 3.12
-          miniconda-version: "latest"
-      - name: Create conda env
-        run: conda create -n spare python=3.12
-      - name: Install pip
-        run: conda run -n spare conda install pip
       - name: Install spare scores
         run: |
           python -m pip cache purge
@@ -31,4 +21,4 @@ jobs:
         run: pip install setuptools && pip install .
       - name: Run unit tests
         run: |
-          cd tests/unit && python -m unittest discover -s . -p "*.py"
+          cd tests/unit && pytest --cov=../../
diff --git a/.github/workflows/ubuntu-tests-3.8.yml b/.github/workflows/ubuntu-tests-3.8.yml
index 58fa623..94d8070 100644
--- a/.github/workflows/ubuntu-tests-3.8.yml
+++ b/.github/workflows/ubuntu-tests-3.8.yml
@@ -12,16 +12,6 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: "3.8"
-      - name: Set-up miniconda for macos and ubuntu
-        uses: conda-incubator/setup-miniconda@v2
-        with:
-          auto-update-conda: true
-          python-version: 3.8
-          miniconda-version: "latest"
-      - name: Create conda env
-        run: conda create -n spare python=3.8
-      - name: Install pip
-        run: conda run -n spare conda install pip
       - name: Install spare scores
         run: |
           python -m pip cache purge
@@ -34,4 +24,4 @@ jobs:
         run: pip install setuptools && pip install .
       - name: Run unit tests
         run: |
-          cd tests/unit && python -m unittest discover -s . -p "*.py"
+          cd tests/unit && pytest --cov=../../
diff --git a/.github/workflows/ubuntu-tests-3.9.yml b/.github/workflows/ubuntu-tests-3.9.yml
index f774981..72f475e 100644
--- a/.github/workflows/ubuntu-tests-3.9.yml
+++ b/.github/workflows/ubuntu-tests-3.9.yml
@@ -12,16 +12,6 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: "3.9"
-      - name: Set-up miniconda for macos and ubuntu
-        uses: conda-incubator/setup-miniconda@v2
-        with:
-          auto-update-conda: true
-          python-version: 3.9
-          miniconda-version: "latest"
-      - name: Create conda env
-        run: conda create -n spare python=3.9
-      - name: Install pip
-        run: conda run -n spare conda install pip
       - name: Install spare scores
         run: |
           python -m pip cache purge
@@ -34,4 +24,4 @@ jobs:
         run: pip install setuptools && pip install .
       - name: Run unit tests
         run: |
-          cd tests/unit && python -m unittest discover -s . -p "*.py"
+          cd tests/unit && pytest --cov=../../