diff --git a/test/test_ebnf.py b/test/test_ebnf.py
index 04d5aaf7f1015dc50ec864e0abd44d926d9b9edb..967013e1eae4e11bb2a7b4effb9b6167f06cf2ec 100644
--- a/test/test_ebnf.py
+++ b/test/test_ebnf.py
@@ -81,6 +81,10 @@ class TestDirectives:
 
 
 class TestEBNFParser:
+    test_json = [
+""
+]
+
     def setup(self):
         self.EBNF = EBNFGrammar()
 
@@ -95,6 +99,8 @@ class TestEBNFParser:
         assert result.error_flag  # literals catch following, but not leading whitespace
 
 
+
+
 class TestPopRetrieve:
     mini_language = """
         document       = { text | codeblock }