diff --git a/test/__snapshots__/test/test.ts.md b/test/__snapshots__/test/test.ts.md
index 14735757..a5b00deb 100644
--- a/test/__snapshots__/test/test.ts.md
+++ b/test/__snapshots__/test/test.ts.md
@@ -10898,3 +10898,25 @@ Generated by [AVA](https://avajs.dev).
       [k: string]: any;␊
     }␊
     `
+
+## Normalize $defs to definitions
+
+> Snapshot 1
+
+    `{␊
+      "id": "foo",␊
+      "definitions": {␊
+        "bar": "baz"␊
+      }␊
+    }`
+
+## Normalize const to singleton enum
+
+> Snapshot 1
+
+    `{␊
+      "id": "foo",␊
+      "enum": [␊
+        "foobar"␊
+      ]␊
+    }`
diff --git a/test/__snapshots__/test/test.ts.snap b/test/__snapshots__/test/test.ts.snap
index 1c68e3e4..1eab9dcc 100644
Binary files a/test/__snapshots__/test/test.ts.snap and b/test/__snapshots__/test/test.ts.snap differ
diff --git a/test/normalizer/constToEnum.json b/test/normalizer/constToEnum.json
new file mode 100644
index 00000000..9e3567c6
--- /dev/null
+++ b/test/normalizer/constToEnum.json
@@ -0,0 +1,11 @@
+{
+  "name": "Normalize const to singleton enum",
+  "in": {
+    "id": "foo",
+    "const": "foobar"
+  },
+  "out": {
+    "id": "foo",
+    "enum": ["foobar"]
+  }
+}
diff --git a/test/normalizer/defsToDefinitions.json b/test/normalizer/defsToDefinitions.json
new file mode 100644
index 00000000..050ca47f
--- /dev/null
+++ b/test/normalizer/defsToDefinitions.json
@@ -0,0 +1,15 @@
+{
+  "name": "Normalize $defs to definitions",
+  "in": {
+    "id": "foo",
+    "$defs" : {
+      "bar": "baz"
+    }
+  },
+  "out": {
+    "id": "foo",
+    "definitions" : {
+      "bar": "baz"
+    }
+  }
+}