TEST: Update test to account for minor differences with nitransforms

niworkflows/interfaces/tests/test_itk.py

@@ -80,21 +80,26 @@ def test_MCFLIRT2ITK(tmp_path):
     assert out_file.exists()
     lines = out_file.read_text().splitlines()
 
-    assert lines[:3] == [
+    assert lines[:2] == [
         "#Insight Transform File V1.0",
         "#Transform 0",
-        "Transform: MatrixOffsetTransformBase_double_3_3",
     ]
+    assert lines[2] in (
+        "Transform: MatrixOffsetTransformBase_double_3_3",
+        "Transform: AffineTransform_float_3_3",
+    )
     assert lines[3].startswith("Parameters: ")
-    assert lines[4:7] == [
-        "FixedParameters: 0 0 0",
-        "#Transform 1",
+    assert lines[4] == "FixedParameters: 0 0 0"
+    offset = 1 if lines[5] == "" else 0
+    assert lines[5 + offset] == "#Transform 1"
+    assert lines[6 + offset] in (
         "Transform: MatrixOffsetTransformBase_double_3_3",
-    ]
-    assert lines[7].startswith("Parameters: ")
+        "Transform: AffineTransform_float_3_3",
+    )
+    assert lines[7 + offset].startswith("Parameters: ")
 
     params0 = np.array([float(p) for p in lines[3].split(" ")[1:]])
-    params1 = np.array([float(p) for p in lines[7].split(" ")[1:]])
+    params1 = np.array([float(p) for p in lines[7 + offset].split(" ")[1:]])
     # Empirically determined
     assert np.allclose(
         params0,