aws-google-auth: use pyproject

add pythonImportsCheck and testers.testVersion

started failing on staging-next with `No module named pip` and after
adding pip

aws-google-auth>   ir_d = dist.fetch_build_eggs(dist.install_requires)
aws-google-auth> WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7ffff5542c10>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution')': /simple/urllib3/
aws-google-auth> ERROR: Could not find a version that satisfies the requirement urllib3<1.27,>=1.25.4 (from versions: none)

pkgs/tools/admin/aws-google-auth/default.nix

@@ -15,6 +15,9 @@
 , tzlocal
 , nose
 , mock
+, setuptools
+, aws-google-auth
+, testers
 , withU2F ? false, python-u2flib-host
 }:
 
@@ -22,6 +25,8 @@ buildPythonApplication rec {
   pname = "aws-google-auth";
   version = "0.0.38";
 
+  pyproject = true;
+
   # Pypi doesn't ship the tests, so we fetch directly from GitHub
   # https://github.com/cevoaustralia/aws-google-auth/issues/120
   src = fetchFromGitHub {
@@ -31,6 +36,10 @@ buildPythonApplication rec {
     sha256 = "sha256-/Xe4RDA9sBEsBBV1VP91VX0VfO8alK8L70m9WrB7qu4=";
   };
 
+  nativeBuildInputs = [
+    setuptools
+  ];
+
   propagatedBuildInputs = [
     beautifulsoup4
     boto3
@@ -55,6 +64,16 @@ buildPythonApplication rec {
     export HOME=$TMPDIR
   '';
 
+  # with pyproject the tests aren't attempted
+  # without pyproject the tests try to access internet
+  doCheck = false;
+
+  pythonImportsCheck = [ "aws_google_auth" ];
+
+  passthru.tests.version = testers.testVersion {
+    package = aws-google-auth;
+  };
+
   meta = with lib; {
     description = "Acquire AWS STS (temporary) credentials via Google Apps SAML Single Sign On";
     homepage = "https://github.com/cevoaustralia/aws-google-auth";