tests: Add names to VM tests

Having vm-test-run-unnamed for all the test derivation doesn't look very
nice, so in order to better distinguish them from their store path,
let's actually give them proper names.

Signed-off-by: aszlig <aszlig@nix.build>

tests/github-flakes.nix

@@ -64,6 +64,7 @@ in
 makeTest (
 
 {
+  name = "github-flakes";
 
   nodes =
     { # Impersonate github.com and api.github.com.

tests/nix-copy-closure.nix

@@ -8,6 +8,7 @@ with import (nixpkgs + "/nixos/lib/testing-python.nix") {
 };
 
 makeTest (let pkgA = pkgs.cowsay; pkgB = pkgs.wget; pkgC = pkgs.hello; in {
+  name = "nix-copy-closure";
 
   nodes =
     { client =

tests/remote-builds.nix

@@ -36,6 +36,7 @@ let
 in
 
 {
+  name = "remote-builds";
 
   nodes =
     { builder1 = builder;

tests/setuid.nix

@@ -8,6 +8,7 @@ with import (nixpkgs + "/nixos/lib/testing-python.nix") {
 };
 
 makeTest {
+  name = "setuid";
 
   machine =
     { config, lib, pkgs, ... }: