diff --git a/.github/workflows/run_unit_tests.yml b/.github/workflows/run_unit_tests.yml
index 75d29dff..fa94cd7f 100644
--- a/.github/workflows/run_unit_tests.yml
+++ b/.github/workflows/run_unit_tests.yml
@@ -34,8 +34,8 @@ jobs:
         run: poetry install -v
       - name: Display installed dependency versions
         run: poetry run pip list
-      - name: Run unit tests and code coverage
-        run: poetry run pytest ./tests/unit -v --cov=nitypes --junitxml=test_results/nitypes-${{ matrix.os }}-py${{ matrix.python-version }}.xml
+      - name: Run unit/acceptance/doc tests and code coverage
+        run: poetry run pytest -v --cov=nitypes --junitxml=test_results/nitypes-${{ matrix.os }}-py${{ matrix.python-version }}.xml
       - name: Run benchmarks
         run: poetry run pytest ./tests/benchmark -v --junitxml=test_results/nitypes-benchmarks-${{ matrix.os }}-py${{ matrix.python-version }}.xml
       - name: Upload test results
diff --git a/src/nitypes/waveform/_digital/_port.py b/src/nitypes/waveform/_digital/_port.py
index c02070b6..938a874a 100644
--- a/src/nitypes/waveform/_digital/_port.py
+++ b/src/nitypes/waveform/_digital/_port.py
@@ -147,7 +147,7 @@ def _mask_to_column_indices(
     [8]
     >>> _mask_to_column_indices(0xDEADBEEF, 32, "little")
     [0, 1, 2, 3, 5, 6, 7, 9, 10, 11, 12, 13, 15, 16, 18, 19, 21, 23, 25, 26, 27, 28, 30, 31]
-    >>> _mask_to_column_indices(-1, 8)
+    >>> _mask_to_column_indices(-1, 8, "little")
     Traceback (most recent call last):
     ...
     ValueError: The mask must be a non-negative integer.
diff --git a/src/nitypes/waveform/_digital/_waveform.py b/src/nitypes/waveform/_digital/_waveform.py
index 7d542148..fca60948 100644
--- a/src/nitypes/waveform/_digital/_waveform.py
+++ b/src/nitypes/waveform/_digital/_waveform.py
@@ -273,10 +273,10 @@ class DigitalWaveform(Generic[TDigitalState]):
     and the digital state from the actual and expected waveforms:
 
     >>> result.failures[0]  # doctest: +NORMALIZE_WHITESPACE
-    DigitalWaveformFailure(sample_index=0, expected_sample_index=0, signal_index=0, column_index=1,
+    DigitalWaveformFailure(sample_index=0, expected_sample_index=0, signal_index=0,
     actual_state=<DigitalState.FORCE_UP: 1>, expected_state=<DigitalState.COMPARE_LOW: 3>)
     >>> result.failures[1]  # doctest: +NORMALIZE_WHITESPACE
-    DigitalWaveformFailure(sample_index=1, expected_sample_index=1, signal_index=0, column_index=1,
+    DigitalWaveformFailure(sample_index=1, expected_sample_index=1, signal_index=0,
     actual_state=<DigitalState.FORCE_UP: 1>, expected_state=<DigitalState.COMPARE_LOW: 3>)
 
     Timing information