diff --git a/.github/workflows/main.yml b/.github/workflows/aux_tests.yml
similarity index 93%
rename from .github/workflows/main.yml
rename to .github/workflows/aux_tests.yml
index 68be9274..d5fe1bb3 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/aux_tests.yml
@@ -1,4 +1,4 @@
-name: CI
+name: aux-tests
 
 on:
   push:
@@ -45,8 +45,5 @@ jobs:
         run: |
           python3 -m pip install .[all]
           python3 setup.py egg_info
-      - name: Lint check
-        run: |
-          make lint
       - name: Unit tests
-        run: make test
+        run: make test_aux
diff --git a/.github/workflows/style_check.yml b/.github/workflows/style_check.yml
new file mode 100644
index 00000000..4a30c26d
--- /dev/null
+++ b/.github/workflows/style_check.yml
@@ -0,0 +1,50 @@
+name: style-check
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    types: [opened, synchronize, reopened]
+jobs:
+  check_skip:
+    runs-on: ubuntu-latest
+    if: "! contains(github.event.head_commit.message, '[ci skip]')"
+    steps:
+      - run: echo "${{ github.event.head_commit.message }}"
+
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: [3.9]
+        experimental: [false]
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/cache@v1
+        with:
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-pip-${{ matrix.python-version }}-${{ hashFiles('**/setup.py') }}
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+          architecture: x64
+      - name: check OS
+        run: cat /etc/os-release
+      - name: Install dependencies
+        run: |
+          sudo apt update
+          sudo apt install -y git make
+          sudo apt install -y python3-wheel gcc
+          make system-deps
+      - name: Upgrade pip
+        run: python3 -m pip install --upgrade pip
+      - name: Install TTS
+        run: |
+          python3 -m pip install .[all]
+          python3 setup.py egg_info
+      - name: Lint check
+        run: |
+          make lint
\ No newline at end of file
diff --git a/.github/workflows/tts_tests.yml b/.github/workflows/tts_tests.yml
new file mode 100644
index 00000000..d05dca90
--- /dev/null
+++ b/.github/workflows/tts_tests.yml
@@ -0,0 +1,49 @@
+name: tts-tests
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    types: [opened, synchronize, reopened]
+jobs:
+  check_skip:
+    runs-on: ubuntu-latest
+    if: "! contains(github.event.head_commit.message, '[ci skip]')"
+    steps:
+      - run: echo "${{ github.event.head_commit.message }}"
+
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: [3.6, 3.7, 3.8, 3.9]
+        experimental: [false]
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/cache@v1
+        with:
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-pip-${{ matrix.python-version }}-${{ hashFiles('**/setup.py') }}
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+          architecture: x64
+      - name: check OS
+        run: cat /etc/os-release
+      - name: Install dependencies
+        run: |
+          sudo apt update
+          sudo apt install -y git make
+          sudo apt install -y python3-wheel gcc
+          make system-deps
+      - name: Upgrade pip
+        run: python3 -m pip install --upgrade pip
+      - name: Install TTS
+        run: |
+          python3 -m pip install .[all]
+          python3 setup.py egg_info
+      - name: Unit tests
+        run: make test_tts
diff --git a/.github/workflows/vocoder_tests.yml b/.github/workflows/vocoder_tests.yml
new file mode 100644
index 00000000..69e74dbf
--- /dev/null
+++ b/.github/workflows/vocoder_tests.yml
@@ -0,0 +1,49 @@
+name: vocoder-tests
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    types: [opened, synchronize, reopened]
+jobs:
+  check_skip:
+    runs-on: ubuntu-latest
+    if: "! contains(github.event.head_commit.message, '[ci skip]')"
+    steps:
+      - run: echo "${{ github.event.head_commit.message }}"
+
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: [3.6, 3.7, 3.8, 3.9]
+        experimental: [false]
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/cache@v1
+        with:
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-pip-${{ matrix.python-version }}-${{ hashFiles('**/setup.py') }}
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+          architecture: x64
+      - name: check OS
+        run: cat /etc/os-release
+      - name: Install dependencies
+        run: |
+          sudo apt update
+          sudo apt install -y git make
+          sudo apt install -y python3-wheel gcc
+          make system-deps
+      - name: Upgrade pip
+        run: python3 -m pip install --upgrade pip
+      - name: Install TTS
+        run: |
+          python3 -m pip install .[all]
+          python3 setup.py egg_info
+      - name: Unit tests
+        run: make test_vocoder
diff --git a/Makefile b/Makefile
index bffed7ff..c2091ca0 100644
--- a/Makefile
+++ b/Makefile
@@ -12,6 +12,15 @@ test_all:	## run tests and don't stop on an error.
 
 test:	## run tests.
 	nosetests -x --with-cov -cov  --cover-erase --cover-package TTS tests --nologcapture --with-id
+
+test_vocoder:	## run vocoder tests.
+	nosetests tests.vocoder_tests -x --with-cov -cov  --cover-erase --cover-package TTS tests.vocoder_tests --nologcapture --with-id
+
+test_tts:	## run tts tests.
+	nosetests tests.tts_tests -x --with-cov -cov  --cover-erase --cover-package TTS tests.tts_tests --nologcapture --with-id
+
+test_aux:	## run aux tests.
+	nosetests tests.aux_tests -x --with-cov -cov  --cover-erase --cover-package TTS tests.aux_tests --nologcapture --with-id
 	./run_bash_tests.sh
 
 test_failed:  ## only run tests failed the last time.
diff --git a/tests/test_stft_torch.py b/tests/aux_tests/__init__.py
similarity index 100%
rename from tests/test_stft_torch.py
rename to tests/aux_tests/__init__.py
diff --git a/tests/model_manager.py b/tests/aux_tests/model_manager.py
similarity index 100%
rename from tests/model_manager.py
rename to tests/aux_tests/model_manager.py
diff --git a/tests/test_audio_processor.py b/tests/aux_tests/test_audio_processor.py
similarity index 100%
rename from tests/test_audio_processor.py
rename to tests/aux_tests/test_audio_processor.py
diff --git a/tests/test_extract_tts_spectrograms.py b/tests/aux_tests/test_extract_tts_spectrograms.py
similarity index 100%
rename from tests/test_extract_tts_spectrograms.py
rename to tests/aux_tests/test_extract_tts_spectrograms.py
diff --git a/tests/test_speaker_encoder.py b/tests/aux_tests/test_speaker_encoder.py
similarity index 100%
rename from tests/test_speaker_encoder.py
rename to tests/aux_tests/test_speaker_encoder.py
diff --git a/tests/test_speaker_encoder_train.py b/tests/aux_tests/test_speaker_encoder_train.py
similarity index 100%
rename from tests/test_speaker_encoder_train.py
rename to tests/aux_tests/test_speaker_encoder_train.py
diff --git a/tests/test_speaker_manager.py b/tests/aux_tests/test_speaker_manager.py
similarity index 100%
rename from tests/test_speaker_manager.py
rename to tests/aux_tests/test_speaker_manager.py
diff --git a/tests/aux_tests/test_stft_torch.py b/tests/aux_tests/test_stft_torch.py
new file mode 100644
index 00000000..e69de29b
diff --git a/tests/test_text_processing.py b/tests/aux_tests/test_text_processing.py
similarity index 100%
rename from tests/test_text_processing.py
rename to tests/aux_tests/test_text_processing.py