Add empty state check for isWaiting

Author: tdgroot

src/Resource/Logbook/Flow.php

@@ -48,6 +48,6 @@ public function isRunning(): bool
 
     public function isWaiting(): bool
     {
-        return $this->state === self::STATE_WAITING;
+        return empty($this->state) || $this->state === self::STATE_WAITING;
     }
 }

tests/unit/Resource/Logbook/FlowTest.php

@@ -57,6 +57,12 @@ public function testIsRunningReturnsFalse()
         $this->assertFalse($flow->isRunning());
     }
 
+    public function testIsWaitingReturnsTrueForEmptyState()
+    {
+        $flow = new Flow(['state' => null]);
+        $this->assertTrue($flow->isWaiting());
+    }
+
     public function testIsWaitingReturnsTrue()
     {
         $flow = new Flow(['state' => 'waiting']);