diff --git a/examples/count-vowels/count-vowels_wbtest.mbt b/examples/count-vowels/count-vowels_wbtest.mbt
deleted file mode 100644
index e69de29..0000000
diff --git a/pdk/http/method_test.mbt b/pdk/http/method_test.mbt
new file mode 100644
index 0000000..f849abe
--- /dev/null
+++ b/pdk/http/method_test.mbt
@@ -0,0 +1,6 @@
+test "Method::to_json works as expected" {
+  let got = @http.GET.to_json().stringify()
+  let want =
+    #|"GET"
+  assert_eq!(got, want)
+}