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/victoriametrics.nix

@@ -0,0 +1,33 @@
+# This test runs influxdb and checks if influxdb is up and running
+
+import ./make-test-python.nix ({ pkgs, ...} : {
+  name = "victoriametrics";
+  meta = with pkgs.lib.maintainers; {
+    maintainers = [ yorickvp ];
+  };
+
+  nodes = {
+    one = { ... }: {
+      services.victoriametrics.enable = true;
+    };
+  };
+
+  testScript = ''
+    start_all()
+
+    one.wait_for_unit("victoriametrics.service")
+
+    # write some points and run simple query
+    out = one.succeed(
+        "curl -f -d 'measurement,tag1=value1,tag2=value2 field1=123,field2=1.23' -X POST 'http://localhost:8428/write'"
+    )
+    cmd = (
+        """curl -f -s -G 'http://localhost:8428/api/v1/export' -d 'match={__name__!=""}'"""
+    )
+    # data takes a while to appear
+    one.wait_until_succeeds(f"[[ $({cmd} | wc -l) -ne 0 ]]")
+    out = one.succeed(cmd)
+    assert '"values":[123]' in out
+    assert '"values":[1.23]' in out
+  '';
+})