Fix rubocop spec.

spec/support/cycle_analytics_helpers/test_generation.rb

@@ -38,7 +38,7 @@ module CycleAnalyticsHelpers
                 end
 
                 # Run `before_end_fn` at the midpoint between `start_time` and `end_time`
-                Timecop.freeze(start_time + (end_time - start_time)/2) { before_end_fn[self, data] } if before_end_fn
+                Timecop.freeze(start_time + (end_time - start_time) / 2) { before_end_fn[self, data] } if before_end_fn
 
                 end_time_conditions.each do |condition_name, condition_fn|
                   Timecop.freeze(end_time) { condition_fn[self, data] }
@@ -89,7 +89,7 @@ module CycleAnalyticsHelpers
                 end_time = start_time + rand(1..5).days
 
                 # Run `before_end_fn` at the midpoint between `start_time` and `end_time`
-                Timecop.freeze(start_time + (end_time - start_time)/2) { before_end_fn[self, data] } if before_end_fn
+                Timecop.freeze(start_time + (end_time - start_time) / 2) { before_end_fn[self, data] } if before_end_fn
 
                 end_time_conditions.each do |condition_name, condition_fn|
                   Timecop.freeze(start_time) { condition_fn[self, data] }