diff --git a/lib/gds_api/test_helpers/asset_manager.rb b/lib/gds_api/test_helpers/asset_manager.rb
index bf3f788f..6c40ed7e 100644
--- a/lib/gds_api/test_helpers/asset_manager.rb
+++ b/lib/gds_api/test_helpers/asset_manager.rb
@@ -92,6 +92,11 @@ def stub_asset_manager_delete_asset(asset_id, body = {})
           .to_return(body: body.to_json, status: 200)
       end
 
+      def stub_asset_manager_delete_asset_missing(asset_id)
+        stub_request(:delete, "#{ASSET_MANAGER_ENDPOINT}/assets/#{asset_id}")
+          .to_return(status: 404)
+      end
+
       def stub_asset_manager_delete_asset_failure(asset_id)
         stub_request(:delete, "#{ASSET_MANAGER_ENDPOINT}/assets/#{asset_id}").to_return(status: 500)
       end
diff --git a/test/test_helpers/asset_manager_test.rb b/test/test_helpers/asset_manager_test.rb
index 36f774df..d9393756 100644
--- a/test/test_helpers/asset_manager_test.rb
+++ b/test/test_helpers/asset_manager_test.rb
@@ -64,4 +64,39 @@
       end
     end
   end
+
+  describe "#stub_asset_manager_delete_asset" do
+    it "returns an ok response and the provided body" do
+      asset_id = "some-asset-id"
+      body = { key: "value" }
+      stub_asset_manager_delete_asset(asset_id, body)
+
+      response = stub_asset_manager.delete_asset(asset_id)
+
+      assert_equal 200, response.code
+      assert_equal body[:key], response["key"]
+    end
+  end
+
+  describe "#stub_asset_manager_delete_asset_missing" do
+    it "raises a not found error" do
+      asset_id = "some-asset-id"
+      stub_asset_manager_delete_asset_missing(asset_id)
+
+      assert_raises GdsApi::HTTPNotFound do
+        stub_asset_manager.delete_asset(asset_id)
+      end
+    end
+  end
+
+  describe "#stub_asset_manager_delete_asset_failure" do
+    it "raises an internal server error" do
+      asset_id = "some-asset-id"
+      stub_asset_manager_delete_asset_failure(asset_id)
+
+      assert_raises GdsApi::HTTPInternalServerError do
+        stub_asset_manager.delete_asset(asset_id)
+      end
+    end
+  end
 end