Adds a new method, isInParallel, to the Testable trait to allow a test to determine its parallel status.

src/Concerns/Testable.php

@@ -304,4 +304,12 @@ trait Testable
     {
         return ltrim(self::class, 'P\\');
     }
+
+    /**
+     * Determine whether this test case is being executed in a parallel environment.
+     */
+    public function isInParallel(): bool
+    {
+        return TestSuite::getInstance()->isInParallel;
+    }
 }

src/Functions.php

@@ -2,6 +2,7 @@
 
 declare(strict_types=1);
 
+use Pest\Concerns\Testable;
 use Pest\Datasets;
 use Pest\Expectation;
 use Pest\PendingObjects\AfterEachCall;
@@ -85,7 +86,7 @@ if (!function_exists('test')) {
      * is the test description; the second argument is
      * a closure that contains the test expectations.
      *
-     * @return TestCall|TestCase|mixed
+     * @return TestCall|TestCase|Testable|mixed
      */
     function test(string $description = null, Closure $closure = null)
     {