Add codecov coverage for pandas_tests (#14513)

Fixes: #14496 

This PR enables code-coverage for `pandas` tests that are run in cudf CI in pandas accelerator mode.

Authors:
  - GALI PREM SAGAR (https://github.com/galipremsagar)
  - Lawrence Mitchell (https://github.com/wence-)
  - Vyas Ramasubramani (https://github.com/vyasr)

Approvers:
  - Bradley Dice (https://github.com/bdice)
  - Lawrence Mitchell (https://github.com/wence-)

URL: #14513

ci/cudf_pandas_scripts/run_tests.sh

@@ -5,6 +5,10 @@
 
 set -eoxu pipefail
 
+RAPIDS_TESTS_DIR=${RAPIDS_TESTS_DIR:-"${PWD}/test-results"}
+RAPIDS_COVERAGE_DIR=${RAPIDS_COVERAGE_DIR:-"${PWD}/coverage-results"}
+mkdir -p "${RAPIDS_TESTS_DIR}" "${RAPIDS_COVERAGE_DIR}"
+
 # Function to display script usage
 function display_usage {
     echo "Usage: $0 [--no-cudf]"
@@ -36,4 +40,9 @@ else
     python -m pip install $(ls ./local-cudf-dep/cudf*.whl)[test,cudf-pandas-tests]
 fi
 
-python -m pytest -p cudf.pandas ./python/cudf/cudf_pandas_tests/
+python -m pytest -p cudf.pandas \
+    --cov-config=./python/cudf/.coveragerc \
+    --cov=cudf \
+    --cov-report=xml:"${RAPIDS_COVERAGE_DIR}/cudf-pandas-coverage.xml" \
+    --cov-report=term \
+    ./python/cudf/cudf_pandas_tests/

python/cudf/cudf_pandas_tests/test_cudf_pandas.py

@@ -464,6 +464,9 @@ def test_options_mode():
     assert xpd.options.mode.copy_on_write == pd.options.mode.copy_on_write
 
 
+# Codecov and Profiler interfere with each-other,
+# hence we don't want to run code-cov on this test.
+@pytest.mark.no_cover
 def test_profiler():
     pytest.importorskip("cudf")