feat: log a message when no tests were executed in queue mode

Author: 3v0k4

lib/knapsack_pro/report.rb

@@ -41,6 +41,10 @@ def self.save_node_queue_to_api(test_files = nil)
         end
       end
 
+      if test_files.empty?
+        KnapsackPro.logger.info("No tests were executed because the test queue is empty.")
+      end
+
       measured_test_files = test_files
         .map { |t| t['time_execution'] }
         .select { |time_execution| time_execution != KnapsackPro::Tracker::DEFAULT_TEST_FILE_TIME }

spec/integration/runners/queue/rspec_runner_spec.rb

@@ -1579,6 +1579,7 @@ def when_first_matching_example_defined(type:)
       actual = subject
 
       expect(actual.stdout).to include('0 examples, 0 failures')
+      expect(actual.stdout).to include('INFO -- knapsack_pro: No tests were executed because the test queue is empty.')
 
       expect(actual.exit_code).to eq 0
     end
@@ -1602,6 +1603,7 @@ def when_first_matching_example_defined(type:)
       actual = subject
 
       expect(actual.stdout).to include('0 examples, 0 failures')
+      expect(actual.stdout).to include('INFO -- knapsack_pro: No tests were executed because the test queue is empty.')
 
       expect(actual.exit_code).to eq 0
     end