uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

nixos/tests/mongodb.nix

@@ -0,0 +1,58 @@
+# This test start mongodb, runs a query using mongo shell
+
+import ./make-test-python.nix ({ pkgs, ... }:
+  let
+    testQuery = pkgs.writeScript "nixtest.js" ''
+      db.greetings.insert({ "greeting": "hello" });
+      print(db.greetings.findOne().greeting);
+    '';
+
+    runMongoDBTest = pkg: ''
+      node.execute("(rm -rf data || true) && mkdir data")
+      node.execute(
+          "${pkg}/bin/mongod --fork --logpath logs --dbpath data"
+      )
+      node.wait_for_open_port(27017)
+
+      assert "hello" in node.succeed(
+          "${pkg}/bin/mongo ${testQuery}"
+      )
+
+      node.execute(
+          "${pkg}/bin/mongod --shutdown --dbpath data"
+      )
+      node.wait_for_closed_port(27017)
+    '';
+
+  in {
+    name = "mongodb";
+    meta = with pkgs.lib.maintainers; {
+      maintainers = [ bluescreen303 offline cstrahan rvl phile314 ];
+    };
+
+    nodes = {
+      node = {...}: {
+        environment.systemPackages = with pkgs; [
+          mongodb-3_4
+          mongodb-3_6
+          mongodb-4_0
+          mongodb-4_2
+          mongodb-4_4
+          mongodb-5_0
+        ];
+      };
+    };
+
+    testScript = ''
+      node.start()
+    ''
+      + runMongoDBTest pkgs.mongodb-3_4
+      + runMongoDBTest pkgs.mongodb-3_6
+      + runMongoDBTest pkgs.mongodb-4_0
+      + runMongoDBTest pkgs.mongodb-4_2
+      + runMongoDBTest pkgs.mongodb-4_4
+      + runMongoDBTest pkgs.mongodb-5_0
+      + ''
+        node.shutdown()
+      '';
+  })