move nginx test to seperate directory

tests/tests.nix

@@ -0,0 +1,55 @@
+{ system ? builtins.currentSystem
+, pkgs ? import <nixpkgs> { inherit system; }
+}:
+
+with import <nixpkgs/nixos/lib/testing-python.nix> { inherit system pkgs; };
+
+let
+  registry = import ./static_registry/default.nix;
+  nginx_image = registry.nginx.nginx_7d0cdcc60a96;
+in
+{
+  nginx = makeTest {
+    machine = { ... }: {
+      imports = [ ../default.nix ];
+
+      virtualisation.cores = 4;
+      virtualisation.memorySize = 1024;
+
+
+      docker-networks.web = {
+        usedBy = [ "nginx_alpha" "nginx_bravo" ];
+      };
+      docker-containers.nginx_alpha =
+      {
+        image = nginx_image.tag;
+        imageFile = nginx_image.image;
+        extraDockerOptions = [ "--network=web" ];
+        ports = ["8181:80"];
+        volumes = [
+          "${./nginx.conf}:/etc/nginx/conf.d/default.conf:ro"
+          "${./index.alpha.html}:/var/www/html/index.html:ro"
+        ];
+      };
+      docker-containers.nginx_bravo =
+      {
+        image = nginx_image.tag;
+        imageFile = nginx_image.image;
+        extraDockerOptions = [ "--network=web" ];
+        volumes = [
+          "${./nginx.conf}:/etc/nginx/conf.d/default.conf:ro"
+          "${./index.bravo.html}:/var/www/html/index.html:ro"
+        ];
+      };
+    };
+
+    testScript = ''
+      machine.start()
+      machine.wait_for_unit("docker-nginx_alpha.service")
+      machine.wait_for_unit("docker-nginx_bravo.service")
+      machine.wait_for_open_port(8181)
+      machine.wait_until_succeeds("curl http://localhost:8181 | grep alpha")
+      machine.wait_until_succeeds("curl http://localhost:8181/bravo | grep bravo")
+    '';
+  };
+}