Improve docstrings in unit test modules

tests/test_dynamic_delay_dask.py

@@ -25,8 +25,6 @@ def test_dynamic_shift_linear_dask() -> None:
 
     d = (0.93456456 + 0.0235345 * np.cos(4.3354 * t)) / dt
 
-    # ~ print(y[0], t[0], d[0])
-
     op_da = make_dynamic_shift_linear_dask(
         d.min(), d.max(), ShiftBC.FLAT, ShiftBC.EXCEPTION
     )

tests/test_dynamic_delay_dsp.py

-"""Unit tests for module dynamic_delay_dsp"""
+"""Unit tests for module dynamic_delay_dsp and fixed_shift_dsp"""
 
 import numpy as np
 import pytest

tests/test_fixed_shift_numpy.py

+"""Unit tests for module fixed_shift_numpy"""
+
 import numpy as np
 import pytest
 
@@ -24,7 +26,6 @@ def test_fixed_shift_lagrange_dask() -> None:
     y = g(t)
 
     for d in (0.93456456 / dt, 3.1, 3.5, 3.9, 4.0, 4.1, 4.5, 4.9):
-        # ~ d = 0.93456456 / dt
 
         op_np = make_fixed_shift_lagrange_numpy(ShiftBC.FLAT, ShiftBC.EXCEPTION, length)
 
@@ -37,8 +38,6 @@ def test_fixed_shift_lagrange_dask() -> None:
 
         assert s_ex[margin_ex:] == pytest.approx(s_np[margin_ex:], abs=1e-15, rel=5e-13)
 
-        # ~ assert np.min(np.abs(s_ex[:margin_ex] - s_np[:margin_ex])) > np.max(np.abs(y[:margin_ex]))*1e-10
-
         with pytest.raises(RuntimeError):
             op_np(y, d)
 
@@ -54,7 +53,6 @@ def test_fixed_shift_lagrange_dask() -> None:
         assert s2_ex[:-margin2_ex] == pytest.approx(
             s2_np[:-margin2_ex], abs=1e-15, rel=5e-13
         )
-        # ~ assert np.min(np.abs(s2_ex[-margin2_ex:] - s2_np[-margin2_ex:])) > np.max(np.abs(y[-margin2_ex:]))*1e-10
 
         with pytest.raises(RuntimeError):
             op2_np(y, -d)