don't define exemplars twice

git-svn-id: https://dev.finn.de/svn/cockpit/branches/reporting_merge@1527 7926756e-e54e-46e6-9721-ed318f58905e

test/exemplars/cost_entry_exemplar.rb

@@ -16,22 +16,22 @@ CostEntry.class_eval do
   generator_for :tweek, 10
 
   def self.next_project
-    Project.last or Project.generate!
+    Project.last || Project.generate!
   end
 
   def self.next_cost_rate
-    CostRate.last or CostRate.generate!
+    CostRate.last || CostRate.generate!
   end
 
   def self.next_user
-    User.find_by_login("admin")
+    User.generate_with_protected!
   end
 
   def self.next_cost_type
-    CostType.last or CostType.generate!
+    CostType.last || CostType.generate!
   end
 
   def self.next_issue
-    self.next_project.issues.last or Issue.generate_for_project!(next_project)
+    self.next_project.issues.last || Issue.generate_for_project!(next_project)
   end
 end

test/exemplars/cost_object_exemplar.rb

@@ -10,6 +10,6 @@ CostObject.class_eval do
   end
 
   def self.next_author
-    User.find_by_name("admin")
+    User.first
   end
 end

test/exemplars/cost_rate_exemplar.rb

@@ -1,10 +1,10 @@
-CostRate.class_eval do
+Rate.class_eval do
   generator_for :valid_from, :method => :next_valid_from
   generator_for :rate, 10
   generator_for :cost_type, :method => :next_cost_type
 
   def self.next_cost_type
-    CostType.last or CostType.generate!
+    CostType.last || CostType.generate!
   end
 
   def self.next_valid_from