DEV: fix spec failure (#13)

Reports are only returned in december and january, so since we move into february the spec was failing.

spec/services/fetch_reports_spec.rb

@@ -2,13 +2,13 @@
 
 RSpec.describe(DiscourseRewind::FetchReports) do
   describe ".call" do
+    subject(:result) { described_class.call(**dependencies) }
+
     fab!(:current_user) { Fabricate(:user) }
 
     let(:guardian) { Guardian.new(current_user) }
     let(:dependencies) { { guardian: } }
 
-    subject(:result) { described_class.call(**dependencies) }
-
     context "when in january" do
       before { freeze_time DateTime.parse("2021-01-22") }
 
@@ -32,12 +32,14 @@ RSpec.describe(DiscourseRewind::FetchReports) do
     end
 
     context "when reports is cached" do
+      before { freeze_time DateTime.parse("2021-12-22") }
+
       it "returns the cached reports" do
         expect(result.reports.length).to eq(9)
 
-        expect(DiscourseRewind::Action::TopWords).not_to receive(:call)
+        allow(DiscourseRewind::Action::TopWords).to receive(:call)
-
         expect(result.reports.length).to eq(9)
+        expect(DiscourseRewind::Action::TopWords).to_not have_received(:call)
       end
     end
 
@@ -48,8 +50,9 @@ RSpec.describe(DiscourseRewind::FetchReports) do
       end
 
       it "returns the reports" do
-        expect(DiscourseRewind::Action::TopWords).to receive(:call)
+        allow(DiscourseRewind::Action::TopWords).to receive(:call)
         expect(result.reports.length).to eq(9)
+        expect(DiscourseRewind::Action::TopWords).to have_received(:call)
       end
     end
   end