API: creating an issue with an invalid project_id should return 422 instead of 403 (#19276).

git-svn-id: http://svn.redmine.org/redmine/trunk@14141 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/integration/api_test/issues_test.rb

@@ -444,6 +444,11 @@ JSON
     assert json['errors'].include?("Subject cannot be blank")
   end
 
+  test "POST /issues.json with invalid project_id should respond with 422" do
+    post '/issues.json', {:issue => {:project_id => 999, :subject => "API"}}, credentials('jsmith')
+    assert_response 422
+  end
+
   test "PUT /issues/:id.xml" do
     assert_difference('Journal.count') do
       put '/issues/6.xml',