add test data for each ilamb or iomb metric

Author: nocollier

scripts/fetch_test_data.py

@@ -223,7 +223,18 @@ def process_sample_data_request(
         facets=dict(
             source_id="ACCESS-ESM1-5",
             frequency=["fx", "mon"],
-            variable_id=["areacella", "sftlf", "gpp", "pr"],
+            variable_id=["areacella", "sftlf", "gpp", "pr", "tas", "mrro", "mrsos", "cSoil", "lai", "nbp"],
+            experiment_id=["historical"],
+        ),
+        remove_ensembles=True,
+        time_span=("2000", "2025"),
+    ),
+    # IOMB data
+    CMIP6Request(
+        facets=dict(
+            source_id="ACCESS-ESM1-5",
+            frequency=["fx", "mon"],
+            variable_id=["areacello", "sftof", "tos", "sos", "msftmz"],
             experiment_id=["historical"],
         ),
         remove_ensembles=True,