catch parse errors and let the user know in a friendlier manner

src/Factories/TestCaseFactory.php

@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace Pest\Factories;
 
 use Closure;
+use ParseError;
 use Pest\Concerns;
 use Pest\Contracts\HasPrintableTestCaseName;
 use Pest\Datasets;
@@ -13,6 +14,7 @@ use Pest\Support\HigherOrderMessageCollection;
 use Pest\Support\NullClosure;
 use Pest\TestSuite;
 use PHPUnit\Framework\TestCase;
+use RuntimeException;
 
 /**
  * @internal
@@ -194,6 +196,7 @@ final class TestCaseFactory
         $namespace = implode('\\', $partsFQN);
         $baseClass = sprintf('\%s', $this->class);
 
+        try {
             eval("
                 namespace $namespace;
 
@@ -203,6 +206,9 @@ final class TestCaseFactory
                     private static \$__filename = '$filename';
                 }
             ");
+        } catch (ParseError $caught) {
+            throw new RuntimeException(sprintf('Unable to create test case for test file at %s', $filename), 1, $caught);
+        }
 
         return $classFQN;
     }