Allow multiple test dependencies

The Depends attribute can be added multiple times to tests now to indicate dependencies on various other tests.

Fixes #6675

src/Codeception/Test/Cest.php

@@ -243,8 +243,11 @@ public function fetchDependencies(): array
     {
         $names = [];
         foreach ($this->getMetadata()->getDependencies() as $required) {
-            if (!str_contains($required, ':') && method_exists($this->getTestInstance(), $required)) {
-                $required = $this->testClass . ":{$required}";
+            foreach ((array)$dependency as $required) {
+                if (!str_contains($required, ':') && method_exists($this->getTestInstance(), $required)) {
+                    $required = $this->testClass . ":{$required}";
+                }
+                $names[] = $required;
             }
             $names[] = $required;
         }