#3230 Update changelog and add test assert

Author: sergisiso

changelog

@@ -1,3 +1,5 @@
+   2) PR #3231 for #3230. Fixes a bug in upper_bound_psyir() for field vectors.
+
    1) PR #3229 for #3227. Fixes a bug with PSyAD where the wrong operator
    space was being generated.
 

src/psyclone/tests/domain/lfric/dofkern_test.py

@@ -299,7 +299,15 @@ def test_multi_invoke_cell_dof_builtin(tmpdir, monkeypatch, annexed, dist_mem):
     else:
         assert "loop0_stop = undf_w1" in code
 
-    # Check that dof kernel is called correctly
+    # Check that dof kernels are called correctly
+    output = (
+        "    do df = loop0_start, loop0_stop, 1\n"
+        "      call testkern_dofs_vector_write_code(field_vec_1_data(df), "
+        "field_vec_2_data(df), field_vec_3_data(df))\n"
+        "    enddo\n"
+    )
+    assert output in code
+
     output = (
         "    do df = loop1_start, loop1_stop, 1\n"
         "      call testkern_dofs_code(f1_data(df), f2_data(df), "