stub current user to prevent side effects

spec/models/issue_spec.rb

@@ -17,7 +17,7 @@ describe Issue do
   let!(:cost_object) { FactoryGirl.create(:cost_object, project: project) }
 
   before(:each) do
-    User.current = user
+    User.stub!(:current).and_return(user)
   end
 
   it "should update cost entries on move" do

spec/models/time_entry_spec.rb

@@ -43,7 +43,7 @@ describe TimeEntry do
 
 
   it "should always prefer overridden_costs" do
-    User.current = user
+    User.stub!(:current).and_return(user)
 
     value = rand(500)
     time_entry.overridden_costs = value
@@ -54,7 +54,7 @@ describe TimeEntry do
 
   describe "given rate" do
     before(:each) do
-      User.current = user
+      User.stub!(:current).and_return(user)
       @default_example = time_entry2
     end
 
@@ -136,7 +136,7 @@ describe TimeEntry do
 
   describe "default rate" do
     before(:each) do
-      User.current = user
+      User.stub!(:current).and_return(user)
       @default_example = time_entry2
     end
 

spec/models/variable_cost_object_spec.rb

@@ -8,7 +8,7 @@ describe VariableCostObject do
 
   describe 'recreate initial journal' do
     before do
-      User.current = user
+      User.stub!(:current).and_return(user)
 
       @variable_cost_object = FactoryGirl.create(:variable_cost_object , :project => project,
                                                                      :author => user)
@@ -24,7 +24,7 @@ describe VariableCostObject do
     let(:cost_object) { VariableCostObject.new }
 
     before do
-      User.current = user
+      User.stub!(:current).and_return(user)
     end
 
     it { cost_object.author.should == user }