chore(rspec): supress warnings on false positives

spec/spec_helper.rb

@@ -38,6 +38,7 @@ RSpec.configure do |config|
     # ...rather than:
     #     # => "be bigger than 2"
     expectations.include_chain_clauses_in_custom_matcher_descriptions = true
+    expectations.on_potential_false_positives = :nothing
   end
 
   # rspec-mocks config goes here. You can use an alternate test double