chore: Add sftlf

Author: lewisjared

scripts/fetch_test_data.py

@@ -293,7 +293,19 @@ def process_sample_data_request(
         facets=dict(
             source_id="ACCESS-ESM1-5",
             frequency=["fx", "mon"],
-            variable_id=["areacella", "ts", "tauu", "taux", "hfls", "hfss", "rlds", "rlus", "rsds", "rsus"],
+            variable_id=[
+                "areacella",
+                "sftlf",
+                "ts",
+                "tauu",
+                "taux",
+                "hfls",
+                "hfss",
+                "rlds",
+                "rlus",
+                "rsds",
+                "rsus",
+            ],
             experiment_id=["historical"],
             variant_label=["r1i1p1f1"],
         ),