Fix invalid references in isolated tests

Author: avit

spec/examples/hourly_rule_spec.rb

@@ -55,7 +55,7 @@ module IceCube
       schedule = double(start_time: t0 = Time.now)
       rule = Rule.hourly(7)
       rule.interval(5)
-      rule.next_time(t0 + 1, schedule, nil).should == t0 + 5.hours
+      rule.next_time(t0 + 1, schedule, nil).should == t0 + 5 * ONE_HOUR
     end
 
     it 'should produce the correct days for @interval = 3' do

spec/examples/yearly_rule_spec.rb

@@ -2,12 +2,12 @@
 
 describe IceCube::YearlyRule, 'interval validation' do
   it 'converts a string integer to an actual int when using the interval method' do
-    rule = Rule.yearly.interval("2")
+    rule = IceCube::Rule.yearly.interval("2")
     rule.validations_for(:interval).first.interval.should == 2
   end
 
   it 'converts a string integer to an actual int when using the initializer' do
-    rule = Rule.yearly("3")
+    rule = IceCube::Rule.yearly("3")
     rule.validations_for(:interval).first.interval.should == 3
   end