try to split testsuites into two (#8297)

try to split tests

.github/workflows/tests.yaml

@@ -43,6 +43,9 @@ jobs:
       matrix:
         os: [ubuntu-20.04, windows-latest, macos-latest]
         pyv: ["3.8", "3.9", "3.10"]
+        pytest-filter: 
+        - "import or plot or live or experiment"
+        - "not (import or plot or live or experiment)"
         include:
         - {os: ubuntu-latest, pyv: "3.11-dev"}
 
@@ -75,10 +78,7 @@ jobs:
         AIOHTTP_NO_EXTENSIONS: ${{ matrix.pyv == '3.11-dev' && '1' }}
     - name: run tests
       timeout-minutes: 40
-      run: >-
-        python -m tests -n=auto
-        --cov-report=xml --cov-report=term
-        ${{ env.extra_test_args }}
+      run: pytest -nauto -ra --durations 100 --cov=dvc --cov-report=xml --cov-report=term -k "${{ matrix.pytest-filter }}"
     - name: upload coverage report
       uses: codecov/codecov-action@v3
       with: