diff --git a/spec/lib/docker_client_spec.rb b/spec/lib/docker_client_spec.rb
index 7a4e8c19..4304ab7f 100644
--- a/spec/lib/docker_client_spec.rb
+++ b/spec/lib/docker_client_spec.rb
@@ -7,7 +7,7 @@ describe DockerClient, docker: true do
   let(:execution_environment) { FactoryGirl.build(:ruby) }
   let(:image) { double }
   let(:submission) { FactoryGirl.create(:submission) }
-  let(:workspace_path) { '/tmp' }
+  let(:workspace_path) { '/tmp/codeocean_dockertest' }
 
   describe '.check_availability!' do
     context 'when a socket error occurs' do
diff --git a/spec/lib/docker_container_pool_spec.rb b/spec/lib/docker_container_pool_spec.rb
index e16e9d11..d419dd5a 100644
--- a/spec/lib/docker_container_pool_spec.rb
+++ b/spec/lib/docker_container_pool_spec.rb
@@ -1,7 +1,7 @@
 require 'rails_helper'
 
 describe DockerContainerPool do
-  let(:container) { double(:start_time => Time.now, :status => 'available') }
+  let(:container) { double(:start_time => Time.now, :status => 'available', :json => {'State' => {'Running' => true}}) }
 
   def reload_class
     load('docker_container_pool.rb')