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/influxdb.nix

@@ -0,0 +1,40 @@
+# This test runs influxdb and checks if influxdb is up and running
+
+import ./make-test-python.nix ({ pkgs, ...} : {
+  name = "influxdb";
+  meta = with pkgs.lib.maintainers; {
+    maintainers = [ offline ];
+  };
+
+  nodes = {
+    one = { ... }: {
+      services.influxdb.enable = true;
+      environment.systemPackages = [ pkgs.httpie ];
+    };
+  };
+
+  testScript = ''
+    import shlex
+
+    start_all()
+
+    one.wait_for_unit("influxdb.service")
+
+    # create database
+    one.succeed(
+        "curl -XPOST http://localhost:8086/query --data-urlencode 'q=CREATE DATABASE test'"
+    )
+
+    # write some points and run simple query
+    out = one.succeed(
+        "curl -XPOST 'http://localhost:8086/write?db=test' --data-binary 'cpu_load_short,host=server01,region=us-west value=0.64 1434055562000000000'"
+    )
+
+    qv = "SELECT value FROM cpu_load_short WHERE region='us-west'"
+    cmd = f'curl -GET "http://localhost:8086/query?db=test" --data-urlencode {shlex.quote("q="+ qv)}'
+    out = one.succeed(cmd)
+
+    assert "2015-06-11T20:46:02Z" in out
+    assert "0.64" in out
+  '';
+})