add test for priv key import

js/controllers/backup.js

@@ -2,7 +2,7 @@
 
 angular.module('copayApp.controllers').controller('BackupController',
   function($scope, $rootScope, $location, backupService, walletFactory, controllerUtils) {
-     var s = ($location.search()).showPrivate;
+    var s = ($location.search()).advanced;
     if (s) {
       var w = $rootScope.wallet;
       $scope.priv =  w.privateKey.toObj().extendedPrivateKeyString;

js/controllers/join.js

@@ -15,7 +15,7 @@ angular.module('copayApp.controllers').controller('JoinController',
     var context;
     var localMediaStream;
 
-    var s = ($location.search()).enterPrivate;
+    var s = ($location.search()).advanced;
     if (s) {
       $scope.enterPrivate = true;
     }

js/models/core/WalletFactory.js

@@ -224,7 +224,7 @@ WalletFactory.prototype.joinCreateSession = function(secret, nickname, passphras
     networkName: this.networkName,
   };
 
-  if (privateHex && privateHex.length>10) {
+  if (privateHex && privateHex.length>1) {
     privOpts.extendedPrivateKeyString = privateHex;
   }
 

views/join.html

@@ -69,9 +69,9 @@
             match="joinPassword" required>
 
             <input type="text" 
-            placeholder="Private"
+            placeholder="Private Key (Hex)"
             name="private"
-            ng-model="private" 
+            ng-model="$parent.private" 
             ng-if="enterPrivate">
  
             <div class="text-right">