Minor changes

- Remove unneeded string conversions
- Remove resolve-retry infinite openvpn configuration (unneeded)
- Add cover on single tests and single test files for Vscode

internal/provider/mullvad.go

@@ -79,14 +79,14 @@ func (m *mullvad) BuildConf(connections []models.OpenVPNConnection, verbosity, u
 		// Modified variables
 		fmt.Sprintf("verb %d", verbosity),
 		fmt.Sprintf("auth-user-pass %s", constants.OpenVPNAuthConf),
-		fmt.Sprintf("proto %s", string(connections[0].Protocol)),
+		fmt.Sprintf("proto %s", connections[0].Protocol),
 		fmt.Sprintf("cipher %s", cipher),
 	}
 	if !root {
 		lines = append(lines, "user nonrootuser")
 	}
 	for _, connection := range connections {
-		lines = append(lines, fmt.Sprintf("remote %s %d", connection.IP.String(), connection.Port))
+		lines = append(lines, fmt.Sprintf("remote %s %d", connection.IP, connection.Port))
 	}
 	lines = append(lines, []string{
 		"<ca>",