Refactor tests out of packaged module for dns plugins (#7599)

* Refactor tests out of module for certbot-dns-cloudflare

* Refactor tests out of module for certbot-dns-cloudxns

* Refactor tests out of module for certbot-dns-digitalocean

* Refactor tests out of module for certbot-dns-dnsimple

* Refactor tests out of module for certbot-dns-dnsmadeeasy

* Refactor tests out of module for certbot-dns-gehirn

* Refactor tests out of module for certbot-dns-google

* Refactor tests out of module for certbot-dns-linode

* Refactor tests out of module for certbot-dns-luadns

* Refactor tests out of module for certbot-dns-nsone

* Refactor tests out of module for certbot-dns-ovh

* Refactor tests out of module for certbot-dns-rfc2136

* Refactor tests out of module for certbot-dns-sakuracloud

* Refactor tests out of module for certbot-dns-route53

* Move certbot-dns-google testdata/ under tests/

* Use pytest for dns plugins

* Exclude pycache and .py[cod]

certbot-dns-cloudflare/setup.py

@@ -1,5 +1,7 @@
 from setuptools import setup
 from setuptools import find_packages
+from setuptools.command.test import test as TestCommand
+import sys
 
 
 version = '1.0.0.dev0'
@@ -20,6 +22,20 @@ docs_extras = [
     'sphinx_rtd_theme',
 ]
 
+class PyTest(TestCommand):
+    user_options = []
+
+    def initialize_options(self):
+        TestCommand.initialize_options(self)
+        self.pytest_args = ''
+
+    def run_tests(self):
+        import shlex
+        # import here, cause outside the eggs aren't loaded
+        import pytest
+        errno = pytest.main(shlex.split(self.pytest_args))
+        sys.exit(errno)
+
 setup(
     name='certbot-dns-cloudflare',
     version=version,
@@ -63,5 +79,7 @@ setup(
             'dns-cloudflare = certbot_dns_cloudflare._internal.dns_cloudflare:Authenticator',
         ],
     },
+    tests_require=["pytest"],
     test_suite='certbot_dns_cloudflare',
+    cmdclass={"test": PyTest},
 )