Fix typo

Author: adamruzicka

lib/dynflow/delayed_plan.rb

@@ -33,7 +33,7 @@ def timeout
 
     def failed_dependencies(uuids)
       bullets = uuids.map { |u| "- #{u}" }.join("\n")
-      msg = "Execution plan could not be started because some of its preqrequisite execution plans failed:\n#{bullets}"
+      msg = "Execution plan could not be started because some of its prerequisite execution plans failed:\n#{bullets}"
       error(msg, 'failed-dependency')
     end
 

test/future_execution_test.rb

@@ -271,7 +271,7 @@ module FutureExecutionTest
           plan2 = world.persistence.load_execution_plan(plan2.execution_plan_id)
           _(plan2.state).must_equal :stopped
           _(plan2.result).must_equal :error
-          _(plan2.errors.first.message).must_match(/preqrequisite execution plans failed/)
+          _(plan2.errors.first.message).must_match(/prerequisite execution plans failed/)
           _(plan2.errors.first.message).must_match(/#{plan1.id}/)
         end
 
@@ -315,7 +315,7 @@ module FutureExecutionTest
           plan3 = world.persistence.load_execution_plan(plan3.execution_plan_id)
           _(plan3.state).must_equal :stopped
           _(plan3.result).must_equal :error
-          _(plan3.errors.first.message).must_match(/preqrequisite execution plans failed/)
+          _(plan3.errors.first.message).must_match(/prerequisite execution plans failed/)
           _(plan3.errors.first.message).must_match(/#{plan2.id}/)
         end
       end