diff --git a/devops-service/Gemfile b/devops-service/Gemfile
index fe1c3b9..96840ba 100644
--- a/devops-service/Gemfile
+++ b/devops-service/Gemfile
@@ -13,7 +13,6 @@ gem "chef", ">=12"
 gem "mongo"
 gem "bson_ext"
 gem "multi_json", "1.7.8"
-# gem "rufus-scheduler", "2.0.24"
 gem "sidekiq", "3.2.6"
 gem 'wisper'
 gem 'rake', '10.2.0'
@@ -31,6 +30,7 @@ group :test do
   gem 'rspec', '~>3.3'
   gem 'factory_girl', '~>4.5'
   gem 'activesupport'
+  gem 'rspec_junit_formatter'
 end
 
 group :devepoment do
diff --git a/devops-service/Gemfile.lock b/devops-service/Gemfile.lock
index bac5127..b5bf929 100644
--- a/devops-service/Gemfile.lock
+++ b/devops-service/Gemfile.lock
@@ -350,6 +350,7 @@ DEPENDENCIES
   rack-accept-media-types
   rake (= 10.2.0)
   rspec (~> 3.3)
+  rspec_junit_formatter
   sidekiq (= 3.2.6)
   sinatra (= 1.4.5)
   sinatra-contrib
@@ -357,6 +358,3 @@ DEPENDENCIES
   test-unit
   thin (~> 1.5.1)
   wisper
-
-BUNDLED WITH
-   1.10.5
diff --git a/devops-service/app/api2/routes/project.rb b/devops-service/app/api2/routes/project.rb
index 7b66b61..62e4b12 100644
--- a/devops-service/app/api2/routes/project.rb
+++ b/devops-service/app/api2/routes/project.rb
@@ -175,7 +175,7 @@ module Devops
           # Deletes project servers
           #
           # * *Request*
-          #   - method : PATCH
+          #   - method : DELETE
           #   - headers :
           #     - Accept: application/json
           #     - Content-Type: application/json
diff --git a/devops-service/exceptions/invalid_record.rb b/devops-service/exceptions/invalid_record.rb
index 48d3750..89fd18d 100644
--- a/devops-service/exceptions/invalid_record.rb
+++ b/devops-service/exceptions/invalid_record.rb
@@ -1,6 +1,10 @@
 require_relative "devops_error"
 class InvalidRecord < ::Devops::Exception::DevopsError
 
+  # message could be a String or a hash like
+  # {
+  #   error_data: [{:key=>:provider, :message=>"Value can not be undefined"}]
+  # }
   def initialize msg
     if msg.is_a?(String)
       super(msg)
@@ -9,6 +13,17 @@ class InvalidRecord < ::Devops::Exception::DevopsError
     end
   end
 
+  def message
+    if @object
+      messages = @object[:error_data].map do |error_item|
+        "#{error_item[:key]}: #{error_item[:message]}"
+      end
+      "Following errors occured: \n#{messages.join('\n')}"
+    else
+      super
+    end
+  end
+
   def http_status
     400
   end
diff --git a/devops-service/spec/models/image_spec.rb b/devops-service/spec/models/image_spec.rb
index be7da26..769e04a 100644
--- a/devops-service/spec/models/image_spec.rb
+++ b/devops-service/spec/models/image_spec.rb
@@ -16,7 +16,7 @@ RSpec.describe Devops::Model::Image, type: :model do
 
   describe 'validation' do
     include_examples 'field type validation', :id, :not_nil, :non_empty_string, :field_validator
-    include_examples 'field type validation', :remote_user, :not_nil, :non_empty_string, :only_word_symbols, :field_validator
+    include_examples 'field type validation', :remote_user, :not_nil, :non_empty_string, :field_validator
     include_examples 'field type validation', :name, :not_nil, :non_empty_string, :field_validator
     include_examples 'field type validation', :bootstrap_template, :maybe_nil, :non_empty_string, :only_word_symbols, :field_validator
 
@@ -36,6 +36,12 @@ RSpec.describe Devops::Model::Image, type: :model do
     it 'bootstrap_template should be included in available bootstrap templates' do
       expect(build(:image, bootstrap_template: 'wrong')).not_to be_valid
     end
+
+    it 'remote_user should contain only a-zA-Z0-9_-.' do
+      expect(build(:image, remote_user: 'aA0-.')).to be_valid
+      expect(build(:image, remote_user: 'name/')).not_to be_valid
+      expect(build(:image, remote_user: 'name!')).not_to be_valid
+    end
   end
 
   it '#to_hash_without_id returns provider, name, remote_user and bootstrap_template' do
diff --git a/devops-service/spec/models/report_spec.rb b/devops-service/spec/models/report_spec.rb
index ab06af3..5d03e5b 100644
--- a/devops-service/spec/models/report_spec.rb
+++ b/devops-service/spec/models/report_spec.rb
@@ -4,20 +4,16 @@ RSpec.describe Devops::Model::Report, type: :model do
   let(:report) { build(:report) }
 
   describe '#initialize' do
+    let(:given_moment) { Time.new(2007,11,1,15,25,0, "+01:00") }
+
     it 'converts created_at to localtime' do
-      now = Time.now.utc
-      expect(now.zone).to eq 'UTC'
-      expect(
-        build(:report, created_at: now).created_at.zone
-      ).not_to eq 'UTC'
+      converted = build(:report, created_at: given_moment).created_at
+      expect(converted).to eq given_moment.localtime
     end
 
     it 'converts updated_at to localtime' do
-      now = Time.now.utc
-      expect(now.zone).to eq 'UTC'
-      expect(
-        build(:report, updated_at: now).updated_at.zone
-      ).not_to eq 'UTC'
+      converted = build(:report, updated_at: given_moment).updated_at
+      expect(converted).to eq given_moment.localtime
     end
   end