diff --git a/schemas/tests.v1.schema.json b/schemas/tests.v1.schema.json
index ae49c2a7..b354aacc 100644
--- a/schemas/tests.v1.schema.json
+++ b/schemas/tests.v1.schema.json
@@ -56,7 +56,7 @@
                     "required": [],
                     "additionalProperties": false,
                     "patternProperties": {
-                        "^[a-z][a-z0-9_]*$": {
+                        "^[a-z0-9_]*$": {
                             "type": "object",
                             "required": [],
                             "additionalProperties": false,