update unit tests and the helper

Author: GrantBirki

spec/unit/entitlements/backend/github_team/service_spec.rb

@@ -845,7 +845,7 @@
     it "does not handle octokit error" do
       exc = StandardError.new("Whoops!")
       allow(subject).to receive(:octokit).and_return(octokit)
-      expect(octokit).to receive(:team).with(1234).and_raise(exc)
+      expect(octokit).to receive(:team).with(1234).and_raise(exc).exactly(3).times
 
       expect do
         subject.send(:validate_team_id_and_slug!, 1234, "my-slug")

spec/unit/spec_helper.rb

@@ -184,6 +184,11 @@ def instance_double(klass, *args)
 
   config.before :each do
     allow(Time).to receive(:now).and_return(Time.utc(2018, 4, 1, 12, 0, 0))
+
+    allow(Kernel).to receive(:sleep)
+    allow_any_instance_of(Kernel).to receive(:sleep)
+    allow_any_instance_of(Object).to receive(:sleep)
+
     allow(Entitlements).to receive(:cache).and_return(cache)
     if entitlements_config_hash
       Entitlements.config = entitlements_config_hash