tests: unexpected output

tests/.snapshots/success.txt

@@ -808,6 +808,9 @@
    PASS  Tests\Fixtures\ExampleTest
   ✓ it example 2
 
+   WARN  Tests\Fixtures\UnexpectedOutput
+  - output
+
    PASS  Tests\Helpers\TestInHelpers
   ✓ it executes tests in the Helpers directory
 
@@ -1035,7 +1038,11 @@
   ✓ todo
   ✓ todo in parallel
 
+   PASS  Tests\Visual\UnexpectedOutput
+  ✓ unexpected output with ([''])
+  ✓ unexpected output with (['--parallel'])
+
    PASS  Tests\Visual\Version
   ✓ visual snapshot of help command output
 
-  Tests:    2 deprecated, 3 warnings, 4 incomplete, 1 notice, 8 todos, 17 skipped, 716 passed (1733 assertions)
+  Tests:    2 deprecated, 3 warnings, 4 incomplete, 1 notice, 8 todos, 18 skipped, 718 passed (1735 assertions)

tests/.snapshots/unexpected-output-parallel.txt

@@ -0,0 +1,23 @@
+
+  .this is unexpected output!
+  ────────────────────────────────────────────────────────────────────────────  
+   RISKY  Tests\Fixtures\UnexpectedOutput > output                              
+  This test printed output: this is unexpected output
+
+  at src/Support/StateGenerator.php:58
+     54▕             foreach ($riskyEvents as $riskyEvent) {
+     55▕                 $state->add(TestResult::fromPestParallelTestCase(
+     56▕                     $riskyEvent->test(),
+     57▕                     TestResult::RISKY,
+  ➜  58▕                     ThrowableBuilder::from(new TestOutcome($riskyEvent->message()))
+     59▕                 ));
+     60▕             }
+     61▕         }
+     62▕
+
+  1   src/Support/StateGenerator.php:58
+      +5 vendor frames 
+  7   src/Plugins/Actions/CallsHandleArguments.php:29
+
+
+  Tests:    1 risky, 1 passed (2 assertions)

tests/.snapshots/unexpected-output.txt

@@ -0,0 +1,20 @@
+this is unexpected output
+   WARN  Tests\Fixtures\UnexpectedOutput
+  ! output → This test printed output: this is unexpected output
+  ────────────────────────────────────────────────────────────────────────────  
+   RISKY  Tests\Fixtures\UnexpectedOutput > output                              
+  This test printed output: this is unexpected output
+
+  at src/Kernel.php:86
+     82▕     {
+     83▕         $args = CallsHandleArguments::execute($args);
+     84▕ 
+     85▕         try {
+  ➜  86▕             $this->application->run($args);
+     87▕         } catch (NoDirtyTestsFound) {
+     88▕             $this->output->writeln([
+     89▕                 '',
+     90▕                 '   INFO  No tests found.',
+
+
+  Tests:    1 risky (1 assertions)