spec/services/tables/swap_spec.rb

@@ -18,15 +18,13 @@ module Tables
         acc
       end
 
-      it 'yields all possible swaps' do
-        expect(swaps.count).to eq(4)
-      end
-
-      it 'swaps the people' do
-        expect(swaps).to include([%i[a d], %i[c b]])
-        expect(swaps).to include([%i[b c], %i[d a]])
-        expect(swaps).to include([%i[a c], %i[d b]])
-        expect(swaps).to include([%i[b d], %i[c a]])
+      it 'yields all possible swaps between the tables' do
+        expect(swaps).to contain_exactly(
+          [%i[a d], %i[c b]],
+          [%i[b c], %i[d a]],
+          [%i[a c], %i[d b]],
+          [%i[b d], %i[c a]]
+        )
       end
     end
   end