diff --git a/Tests/Unit/ContentObject/JsonContentObjectTest.php b/Tests/Unit/ContentObject/JsonContentObjectTest.php
index d570b929..d028bf20 100644
--- a/Tests/Unit/ContentObject/JsonContentObjectTest.php
+++ b/Tests/Unit/ContentObject/JsonContentObjectTest.php
@@ -145,6 +145,8 @@ public function dataProvider(): array
         return [
             [[], '[]'],
             [null, '[]'],
+            [['fields.' => ['test' => 'TEXT', 'test.' => ['value' => '', 'ifEmptyUnsetKey' => 1]]], json_encode([])],
+            [['fields.' => ['test' => 'INT', 'test.' => ['value' => '1', 'ifEmptyUnsetKey' => 1]]], json_encode(['test' => 1])],
             [['if.' => ['isTrue' => 0], 'fields.' => ['test' => 'TEXT', 'test.' => ['value' => '1']]], ''],
             [['if.' => ['isTrue' => 1], 'fields.' => ['test' => 'TEXT', 'test.' => ['value' => '1']]], json_encode(['test' => '1'])],
             [['stdWrap.' => ['wrap' => '{"wrapped":|}']], json_encode(['wrapped' => []])],