[hdf5converter] add a test on 'get_bliss_tomo_entries' function

nxtomomill/converter/hdf5/test/test_hdf5converter.py

@@ -94,6 +94,8 @@ class TestH5ToNxConverter(unittest.TestCase):
             self.assertTrue(os.path.exists(sample.sample_file))
             self.config.output_file = sample.sample_file.replace(".h5", ".nx")
             self.config.input_file = sample.sample_file
+            assert len(converter.get_bliss_tomo_entries(sample.sample_file, self.config)) == 1
+
             converter.from_h5_to_nx(
                 configuration=self.config,
             )