Use Managed properties for Preferred and Provider.

chromeos/test/data/network/shill_openvpn_with_errors.json

Index: chromeos/test/data/network/shill_openvpn_with_errors.json
diff --git a/chromeos/test/data/network/shill_openvpn_with_errors.json b/chromeos/test/data/network/shill_openvpn_with_errors.json
deleted file mode 100644
index 9ac9d53a362435c5f268817005502ecf1b9623ab..0000000000000000000000000000000000000000
--- a/chromeos/test/data/network/shill_openvpn_with_errors.json
+++ /dev/null
@@ -1,26 +0,0 @@
-{
-    // Missing GUID.
-    "Type": "vpn",
-    "Name": "my vpn",
-    // String instead of Int.
-    "SaveCredentials": "false",
-    "Provider.Type": "openvpn",
-    "Provider.Host": "vpn.my.domain.com",
-    "OpenVPN.AuthRetry": "interact",
-    "OpenVPN.User": "abc ${LOGIN_EMAIL} def",
-    "OpenVPN.Password": "some password",
-    "OpenVPN.StaticChallenge": "Please enter token OTP",
-    "OpenVPN.CompLZO": "true",
-    // Int instead of String.
-    "OpenVPN.ServerPollTimeout": 10,
-    "OpenVPN.RemoteCertKU": "e0",
-    "OpenVPN.RemoteCertTLS": "server",
-    "OpenVPN.Port": "443",
-    "OpenVPN.TLSRemote": "my.domain.com",
-    "OpenVPN.KeyDirection": "1",
-    "OpenVPN.RenegSec": "0",
-    "OpenVPN.RemoteCertEKU": "TLS Web Server Authentication",
-    "OpenVPN.Proto": "udp",
-    "OpenVPN.PushPeerInfo": "true",
-    "OpenVPN.TLSAuthContents": "-----BEGIN OpenVPN Static key V1-----\n83f8e7ccd99be189b4663e18615f9166\nd885cdea6c8accb0ebf5be304f0b8081\n5404f2a6574e029815d7a2fb65b83d0c\n676850714c6a56b23415a78e06aad6b1\n34900dd512049598382039e4816cb5ff\n1848532b71af47578c9b4a14b5bca49f\n99e0ae4dae2f4e5eadfea374aeb8fb1e\na6fdf02adc73ea778dfd43d64bf7bc75\n7779d629498f8c2fbfd32812bfdf6df7\n8cebafafef3e5496cb13202274f2768a\n1959bc53d67a70945c4c8c6f34b63327\nfb60dc84990ffec1243461e0b6310f61\ne90aee1f11fb6292d6f5fcd7cd508aab\n50d80f9963589c148cb4b933ec86128d\ned77d3fad6005b62f36369e2319f52bd\n09c6d2e52cce2362a05009dc29b6b39a\n-----END OpenVPN Static key V1-----\n"
-}