diff --git a/src/test/Mapping.test.tsx b/src/test/Mapping.test.tsx
index 1ca256a..a695b73 100644
--- a/src/test/Mapping.test.tsx
+++ b/src/test/Mapping.test.tsx
@@ -81,6 +81,8 @@ it('renders', async () => {
                     return make_axios_response(access_levels_response, {config})
                 if (/teams$/.test(url))
                     return make_paged_axios_response([team_data], {config})
+                if (url.endsWith('png'))
+                    return make_axios_response({}, {config})
             }
             console.error(`Unexpected axios request`, config)
             throw new Error(`Unexpected axios request to ${config.url ?? "unspecified URL"}`)
diff --git a/src/test/ResourceCard.test.tsx b/src/test/ResourceCard.test.tsx
index 5563ff9..356137d 100644
--- a/src/test/ResourceCard.test.tsx
+++ b/src/test/ResourceCard.test.tsx
@@ -196,6 +196,8 @@ const do_render = async () => {
                 return make_paged_axios_response([api_data.cell_family, api_data.cell_family_2], {config})
             if (/teams$/.test(url))
                 return make_paged_axios_response([api_data.team], {config})
+            if (url.endsWith('applicable_mappings'))
+                return make_axios_response([], {config})
             // handle cell_models etc
             let key = /cell_(\w+)$/.exec(url)?.[1]
             key = key?.replace(/ies$/, "y")