Fix tests for new numcodecs

tests/test_icf.py

@@ -402,8 +402,8 @@ def test_empty_chunk_file(self, tmp_path):
         with pytest.raises(RuntimeError, match="blosc"):
             icf["POS"].values  # noqa B018
 
-    # Chunk file is 195 long for numpy v1, and 193 long for v2
-    @pytest.mark.parametrize("length", [10, 100, 190, 192])
+    # Chunk file is 187 long
+    @pytest.mark.parametrize("length", [10, 100, 185])
     def test_truncated_chunk_file(self, tmp_path, length):
         icf_path = tmp_path / "icf"
         vcf2zarr.explode(icf_path, [self.data_path])

tests/test_vcf_examples.py

@@ -959,9 +959,12 @@ def test_split_explode(tmp_path):
         vcf2zarr.explode_partition(out, j)
     vcf2zarr.explode_finalise(out)
     pcvcf = vcf2zarr.IntermediateColumnarFormat(out)
-    assert pcvcf.fields["POS"].vcf_field.summary.asdict() == {
+    summary_d = pcvcf.fields["POS"].vcf_field.summary.asdict()
+    # The compressed size can vary with different numcodecs versions
+    assert summary_d["compressed_size"] == 571 or summary_d["compressed_size"] == 587
+    del summary_d["compressed_size"]
+    assert summary_d == {
         "num_chunks": 3,
-        "compressed_size": 587,
         "uncompressed_size": 1008,
         "max_number": 1,
         "max_value": 1235237,