diff --git a/.github/workflows/posix.yml b/.github/workflows/posix.yml
index 8080a81519d8f..b97ecff3e4cd6 100644
--- a/.github/workflows/posix.yml
+++ b/.github/workflows/posix.yml
@@ -25,15 +25,15 @@ jobs:
     strategy:
       matrix:
         settings: [
-          [actions-38-downstream_compat.yaml, "not slow and not network and not clipboard", "", "", "", "", ""],
-          [actions-38-minimum_versions.yaml, "not clipboard", "", "", "", "", ""],
-          [actions-38.yaml, "not slow and not network", "language-pack-it xsel", "it_IT.utf8", "it_IT.utf8", "", ""],
-          [actions-38.yaml, "not slow and not network", "language-pack-zh-hans xsel", "zh_CN.utf8", "zh_CN.utf8", "", ""],
-          [actions-38.yaml, "not clipboard", "", "", "", "", ""],
-          [actions-pypy-38.yaml, "not slow and not clipboard", "", "", "", "", "--max-worker-restart 0"],
-          [actions-39.yaml, "not clipboard", "", "", "", "", ""],
-          [actions-310-numpydev.yaml, "not slow and not network", "xsel", "", "", "deprecate", "-W error"],
-          [actions-310.yaml, "not clipboard", "", "", "", "", ""],
+          [actions-38-downstream_compat.yaml, "not slow and not network", "", "", "", "", ""],
+          [actions-38-minimum_versions.yaml, "", "", "", "", "", ""],
+          [actions-38.yaml, "not slow and not network", "language-pack-it", "it_IT.utf8", "it_IT.utf8", "", ""],
+          [actions-38.yaml, "not slow and not network", "language-pack-zh-hans", "zh_CN.utf8", "zh_CN.utf8", "", ""],
+          [actions-38.yaml, "", "", "", "", "", ""],
+          [actions-pypy-38.yaml, "not slow", "", "", "", "", "--max-worker-restart 0"],
+          [actions-39.yaml, "", "", "", "", "", ""],
+          [actions-310-numpydev.yaml, "not slow and not network", "", "", "", "deprecate", "-W error"],
+          [actions-310.yaml, "", "", "", "", "", ""],
         ]
       fail-fast: false
     env:
@@ -105,7 +105,8 @@ jobs:
           hashFiles('${{ env.ENV_FILE }}') }}
 
     - name: Extra installs
-      run: sudo apt-get update && sudo apt-get install -y libc6-dev-i386 ${{ env.EXTRA_APT }}
+      # xsel for clipboard tests
+      run: sudo apt-get update && sudo apt-get install -y libc6-dev-i386 xsel ${{ env.EXTRA_APT }}
 
     - uses: conda-incubator/setup-miniconda@v2
       with:
diff --git a/ci/run_tests.sh b/ci/run_tests.sh
index 020a3ed7f265c..7c11eb13e0e1d 100755
--- a/ci/run_tests.sh
+++ b/ci/run_tests.sh
@@ -24,7 +24,11 @@ if [[ $(uname) == "Linux" && -z $DISPLAY ]]; then
     XVFB="xvfb-run "
 fi
 
-PYTEST_CMD="${XVFB}pytest -r fEs -m \"$PATTERN\" -n $PYTEST_WORKERS --dist=loadfile $TEST_ARGS $COVERAGE $PYTEST_TARGET"
+PYTEST_CMD="${XVFB}pytest -r fEs -n $PYTEST_WORKERS --dist=loadfile $TEST_ARGS $COVERAGE $PYTEST_TARGET"
+
+if [[ "$PATTERN" ]]; then
+  PYTEST_CMD="$PYTEST_CMD -m \"$PATTERN\""
+fi
 
 if [[ $(uname) != "Linux"  && $(uname) != "Darwin" ]]; then
     PYTEST_CMD="$PYTEST_CMD --ignore=pandas/tests/plotting/"
@@ -35,7 +39,13 @@ sh -c "$PYTEST_CMD"
 
 if [[ "$PANDAS_DATA_MANAGER" != "array" ]]; then
     # The ArrayManager tests should have already been run by PYTEST_CMD if PANDAS_DATA_MANAGER was already set to array
-    PYTEST_AM_CMD="PANDAS_DATA_MANAGER=array pytest -m \"$PATTERN and arraymanager\" -n $PYTEST_WORKERS  --dist=loadfile $TEST_ARGS $COVERAGE pandas"
+    PYTEST_AM_CMD="PANDAS_DATA_MANAGER=array pytest -n $PYTEST_WORKERS  --dist=loadfile $TEST_ARGS $COVERAGE pandas"
+
+    if [[ "$PATTERN" ]]; then
+      PYTEST_AM_CMD="$PYTEST_AM_CMD -m \"$PATTERN and arraymanager\""
+    else
+      PYTEST_AM_CMD="$PYTEST_AM_CMD -m \"arraymanager\""
+    fi
 
     echo $PYTEST_AM_CMD
     sh -c "$PYTEST_AM_CMD"
diff --git a/pandas/tests/io/test_clipboard.py b/pandas/tests/io/test_clipboard.py
index 4a53705193e99..aacfccd38b7da 100644
--- a/pandas/tests/io/test_clipboard.py
+++ b/pandas/tests/io/test_clipboard.py
@@ -303,16 +303,13 @@ def test_invalid_encoding(self, df):
     def test_round_trip_valid_encodings(self, enc, df):
         self.check_round_trip_frame(df, encoding=enc)
 
-
-@pytest.mark.single
-@pytest.mark.clipboard
-@pytest.mark.parametrize("data", ["\U0001f44d...", "Ωœ∑´...", "abcd..."])
-@pytest.mark.xfail(
-    reason="Flaky test in multi-process CI environment: GH 44584",
-    raises=AssertionError,
-    strict=False,
-)
-def test_raw_roundtrip(data):
-    # PR #25040 wide unicode wasn't copied correctly on PY3 on windows
-    clipboard_set(data)
-    assert data == clipboard_get()
+    @pytest.mark.parametrize("data", ["\U0001f44d...", "Ωœ∑´...", "abcd..."])
+    @pytest.mark.xfail(
+        reason="Flaky test in multi-process CI environment: GH 44584",
+        raises=AssertionError,
+        strict=False,
+    )
+    def test_raw_roundtrip(self, data):
+        # PR #25040 wide unicode wasn't copied correctly on PY3 on windows
+        clipboard_set(data)
+        assert data == clipboard_get()