diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index 3c0514bbeeef6..4abbbce3d75b6 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -135,7 +135,7 @@ jobs:
       - name: Test
         id: test
         run: |
-          pytest --suppress-no-test-exit-code --force-flaky --min-passes 1 --max-runs 5 --cov=jina --cov-report=xml --timeout=600 -v -s --ignore-glob='tests/integration/hub_usage/dummyhub*' ${{ matrix.test-path }}
+          pytest --forked --suppress-no-test-exit-code --force-flaky --min-passes 1 --max-runs 5 --cov=jina --cov-report=xml --timeout=600 -v -s --ignore-glob='tests/integration/hub_usage/dummyhub*' ${{ matrix.test-path }}
           echo "flag it as jina for codeoverage"
           echo "::set-output name=codecov_flag::jina"
         timeout-minutes: 30
@@ -350,7 +350,7 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       - name: Test docker compose
         run: |
-          pytest -v -s --suppress-no-test-exit-code --force-flaky --min-passes 1 --max-runs 5 --cov=jina --cov-report=xml ./tests/docker_compose/test_*.py
+          pytest --forked -v -s --suppress-no-test-exit-code --force-flaky --min-passes 1 --max-runs 5 --cov=jina --cov-report=xml ./tests/docker_compose/test_*.py
         timeout-minutes: 30
       - name: Check codecov file
         id: check_files
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6af6c788d84a5..88211993ede0a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -273,7 +273,7 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       - name: Test docker compose
         run: |
-          pytest -v -s --suppress-no-test-exit-code --force-flaky --min-passes 1 --max-runs 5 --cov=jina --cov-report=xml ./tests/docker_compose/test_*.py
+          pytest --forked -v -s --suppress-no-test-exit-code --force-flaky --min-passes 1 --max-runs 5 --cov=jina --cov-report=xml ./tests/docker_compose/test_*.py
         timeout-minutes: 30
       - name: Check codecov file
         id: check_files
@@ -328,7 +328,7 @@ jobs:
       - name: Test
         id: test
         run: |
-          pytest --suppress-no-test-exit-code --force-flaky --min-passes 1 --max-runs 5 --cov=jina --cov-report=xml --timeout=600 -v -s --ignore-glob='tests/integration/hub_usage/dummyhub*' ${{ matrix.test-path }}
+          pytest --forked --suppress-no-test-exit-code --force-flaky --min-passes 1 --max-runs 5 --cov=jina --cov-report=xml --timeout=600 -v -s --ignore-glob='tests/integration/hub_usage/dummyhub*' ${{ matrix.test-path }}
 
           echo "flag it as jina for codeoverage"
           echo "::set-output name=codecov_flag::jina"
diff --git a/extra-requirements.txt b/extra-requirements.txt
index f803a5b3fdbe8..dab5fedb7a924 100644
--- a/extra-requirements.txt
+++ b/extra-requirements.txt
@@ -87,3 +87,4 @@ jsonschema:                 cicd
 portforward>=0.2.4:         cicd
 tensorflow>=2.0:            cicd
 opentelemetry-test-utils>=0.33b0:  test
+pytest-forked>=1.4.0:       test
\ No newline at end of file
diff --git a/jina/resources/extra-requirements.txt b/jina/resources/extra-requirements.txt
index f803a5b3fdbe8..dab5fedb7a924 100644
--- a/jina/resources/extra-requirements.txt
+++ b/jina/resources/extra-requirements.txt
@@ -87,3 +87,4 @@ jsonschema:                 cicd
 portforward>=0.2.4:         cicd
 tensorflow>=2.0:            cicd
 opentelemetry-test-utils>=0.33b0:  test
+pytest-forked>=1.4.0:       test
\ No newline at end of file
diff --git a/tests/unit/orchestrate/pods/test_pod.py b/tests/unit/orchestrate/pods/test_pod.py
index 05591af4be4f1..12cf7b751e27c 100644
--- a/tests/unit/orchestrate/pods/test_pod.py
+++ b/tests/unit/orchestrate/pods/test_pod.py
@@ -192,28 +192,3 @@ def run_forever(self):
     pod = Pod(set_pod_parser().parse_args(['--noblock-on-start']))
     pod.start()
     pod.close()
-
-
-@pytest.mark.timeout(4)
-def test_close_before_start_slow_enter(monkeypatch):
-    class SlowFakeRuntime:
-        def __init__(self, *args, **kwargs):
-            pass
-
-        def __enter__(self):
-            time.sleep(5.0)
-
-        def __exit__(self, exc_type, exc_val, exc_tb):
-            pass
-
-        def run_forever(self):
-            pass
-
-    monkeypatch.setattr(
-        runtimes,
-        'get_runtime',
-        lambda *args, **kwargs: SlowFakeRuntime,
-    )
-    pod = Pod(set_pod_parser().parse_args(['--noblock-on-start']))
-    pod.start()
-    pod.close()
diff --git a/tests/unit/test_yamlparser.py b/tests/unit/test_yamlparser.py
index c2130aa6df8a1..358a19f0d83a2 100644
--- a/tests/unit/test_yamlparser.py
+++ b/tests/unit/test_yamlparser.py
@@ -113,13 +113,19 @@ def test_expand_env():
     assert expand_env_var('$PATH-${AA}') != '$PATH-${AA}'
 
 
-def test_encoder_name_env_replace():
+@pytest.fixture
+def set_test_encoder_env_var():
     os.environ['BE_TEST_NAME'] = 'hello123'
+    yield
+    del os.environ['BE_TEST_NAME']
+
+
+def test_encoder_name_env_replace(set_test_encoder_env_var):
     with BaseExecutor.load_config('yaml/test-encoder-env.yml') as be:
         assert be.metas.name == 'hello123'
 
 
-def test_encoder_name_dict_replace():
+def test_encoder_name_dict_replace(set_test_encoder_env_var):
     d = {'BE_TEST_NAME': 'hello123'}
     with BaseExecutor.load_config('yaml/test-encoder-env.yml', context=d) as be:
         assert be.metas.name == 'hello123'