TESTS: replace old test suite with the new one

get rid of Bats definitively

test/test_ipv6.py

@@ -0,0 +1,35 @@
+import pytest
+
+
+def test_unknown_virtual_host_ipv4(docker_compose, nginxproxy):
+    r = nginxproxy.get("http://nginx-proxy/port")
+    assert r.status_code == 503
+
+
+def test_forwards_to_web1_ipv4(docker_compose, nginxproxy):
+    r = nginxproxy.get("http://web1.nginx-proxy.tld/port")
+    assert r.status_code == 200   
+    assert r.text == "answer from port 81\n"
+
+
+def test_forwards_to_web2_ipv4(docker_compose, nginxproxy):
+    r = nginxproxy.get("http://web2.nginx-proxy.tld/port")
+    assert r.status_code == 200
+    assert r.text == "answer from port 82\n" 
+
+
+def test_unknown_virtual_host_ipv6(docker_compose, nginxproxy):
+    r = nginxproxy.get("http://nginx-proxy/port", ipv6=True)
+    assert r.status_code == 503
+
+
+def test_forwards_to_web1_ipv6(docker_compose, nginxproxy):
+    r = nginxproxy.get("http://web1.nginx-proxy.tld/port", ipv6=True)
+    assert r.status_code == 200   
+    assert r.text == "answer from port 81\n"
+
+
+def test_forwards_to_web2_ipv6(docker_compose, nginxproxy):
+    r = nginxproxy.get("http://web2.nginx-proxy.tld/port", ipv6=True)
+    assert r.status_code == 200
+    assert r.text == "answer from port 82\n"