```ruby
require 'stacks/test_framework'

describe_stack 'tim' do
  given do
    stack 'tim' do
      standalone_appserver 'timcyclic' do
        self.application = 'TIM'
        self.instances = environment.options[:tim_instances] || 1
        each_machine do |machine|
          machine.ram = '14680064'
          machine.vcpus = '8'
          machine.image_size = '10G'
        end
      end
    end
    env "e1", { :primary_site=>"space", :tim_instances=>2 } do
      instantiate_stack "tim"
    end
  end

  host("e1-timcyclic-001.mgmt.space.net.local") do |host|
     host.to_enc.should eql({
       'role::http_app'=> {
        'application' => 'TIM',
        'group' => 'blue',
        'environment' => 'e1',
        'port'        => '8000',
        'dependencies' => [],
        'dependant_instances' => []
       }
     })
  end
  host("e1-timcyclic-002.mgmt.space.net.local") do |host|
     host.to_specs.shift[:ram].should eql '14680064'
     host.to_specs.shift[:vcpus].should eql '8'
     host.to_specs.shift[:image_size].should eql '10G'
  end
end

```

Modify standalone app tests from image_size to modify_storage
user
```ruby
require 'stacks/test_framework'

describe_stack 'tim' do
  given do
    stack 'tim' do
      standalone_appserver 'timcyclic' do
        self.application = 'TIM'
        self.instances = environment.options[:tim_instances] || 1
        each_machine do |machine|
          machine.ram = '14680064'
          machine.vcpus = '8'
          machine.modify_storage({ '/'.to_sym => { :size => '10G' } })
        end
      end
    end
    env "e1", { :primary_site=>"space", :tim_instances=>2 } do
      instantiate_stack "tim"
    end
  end

  host("e1-timcyclic-001.mgmt.space.net.local") do |host|
     host.to_enc.should eql({
       'role::http_app'=> {
        'application' => 'TIM',
        'group' => 'blue',
        'environment' => 'e1',
        'port'        => '8000',
        'dependencies' => [],
        'dependant_instances' => []
       }
     })
  end
  host("e1-timcyclic-002.mgmt.space.net.local") do |host|
     host.to_specs.shift[:ram].should eql '14680064'
     host.to_specs.shift[:vcpus].should eql '8'
     host.to_specs.shift[:storage]['/'.to_sym][:size].should eql '10G'
  end
end

```
assistant