Merge pull request #1598 from Willem-Jaap/willem-jaap/pest-only-file-level

feat: add pest only function to mark each test in a file as only

Author: nunomaduro

src/Configuration.php

@@ -4,6 +4,7 @@
 
 namespace Pest;
 
+use Pest\PendingCalls\BeforeEachCall;
 use Pest\PendingCalls\UsesCall;
 
 /**
@@ -62,6 +63,14 @@ public function group(string ...$groups): UsesCall
         return (new UsesCall($this->filename, []))->group(...$groups);
     }
 
+    /**
+     * Marks all tests in the current file to be run exclusively.
+     */
+    public function only(): void
+    {
+        (new BeforeEachCall(TestSuite::getInstance(), $this->filename))->only();
+    }
+
     /**
      * Depending on where is called, it will extend the given classes and traits globally or locally.
      */