updated error message

Author: ANKUR DWIVEDI

src/constants/errorMessages.ts

@@ -18,7 +18,7 @@ export default {
   MISSING_SIGNATURE: { message: "Missing signature for upload. The SDK expects token, sginature and expire for authentication.", help: ""},
   MISSING_TOKEN: { message: "Missing token for upload. The SDK expects token, sginature and expire for authentication.", help: ""},
   MISSING_EXPIRE: { message: "Missing expire for upload. The SDK expects token, sginature and expire for authentication.", help: ""},
-  INVALID_TRANSFORMATION: { message: "Invalid transformation parameter.", help: ""},
+  INVALID_TRANSFORMATION: { message: "Invalid transformation parameter. Please include at least pre, post, or both.", help: ""},
   INVALID_PRE_TRANSFORMATION: { message: "Invalid pre transformation parameter.", help: ""},
   INVALID_POST_TRANSFORMATION: { message: "Invalid post transformation parameter.", help: ""},
 };

test/upload.js

@@ -1202,7 +1202,7 @@ describe("File upload", function () {
       await sleep();
       var errRes = {
         help: "",
-        message: "Invalid transformation parameter.",
+        message: "Invalid transformation parameter. Please include at least pre, post, or both.",
       };
       errorUploadResponse(500, errRes);
       await sleep();