tests: update uvh5 tests for ra/dec

Author: aknierim

tests/test_uvh5_gridding.py

@@ -38,6 +38,10 @@ def mock_data(tmp_path) -> Path:
 
         f.create_dataset("times", data=np.arange(100))
 
+        obs_grp = f.create_group("obs")
+        obs_grp.create_dataset("ra", data=rng.integers(0, 180, 1))
+        obs_grp.create_dataset("dec", data=rng.integers(0, 90, 1))
+
         sky_grp = f.create_group("sky")
         sky_grp.create_dataset("SI", data=rng.random((64, 64)))
 
@@ -69,6 +73,10 @@ def mock_data_no_sky(tmp_path) -> Path:
 
         f.create_dataset("times", data=np.arange(100))
 
+        obs_grp = f.create_group("obs")
+        obs_grp.create_dataset("ra", data=rng.integers(0, 180, 1))
+        obs_grp.create_dataset("dec", data=rng.integers(0, 90, 1))
+
     return output_file