test: update snapshots

Author: snitin315

test/__snapshots__/validate-options.test.js.snap.webpack4

@@ -109,18 +109,23 @@ exports[`options validate should throw an error on the "client" option with '{"w
    -> Tells clients connected to devServer to use the provided path to connect."
 `;
 
+exports[`options validate should throw an error on the "client" option with '{"webSocketURL":{"port":""}}' value 1`] = `
+"ValidationError: Invalid configuration object. Object has been initialized using a configuration object that does not match the API schema.
+ - configuration.client.webSocketURL.port should be an non-empty string."
+`;
+
 exports[`options validate should throw an error on the "client" option with '{"webSocketURL":{"port":true}}' value 1`] = `
 "ValidationError: Invalid configuration object. Object has been initialized using a configuration object that does not match the API schema.
  - configuration.client.webSocketURL should be one of these:
    non-empty string | object { host?, port?, path? }
    -> When using dev server and you're proxying dev-server, the client script does not always know where to connect to.
    Details:
     * configuration.client.webSocketURL.port should be one of these:
-      number | string
+      number | non-empty string
       -> Tells clients connected to devServer to use the provided port.
       Details:
        * configuration.client.webSocketURL.port should be a number.
-       * configuration.client.webSocketURL.port should be a string."
+       * configuration.client.webSocketURL.port should be a non-empty string."
 `;
 
 exports[`options validate should throw an error on the "client" option with 'whoops!' value 1`] = `

test/__snapshots__/validate-options.test.js.snap.webpack5

@@ -109,18 +109,23 @@ exports[`options validate should throw an error on the "client" option with '{"w
    -> Tells clients connected to devServer to use the provided path to connect."
 `;
 
+exports[`options validate should throw an error on the "client" option with '{"webSocketURL":{"port":""}}' value 1`] = `
+"ValidationError: Invalid configuration object. Object has been initialized using a configuration object that does not match the API schema.
+ - configuration.client.webSocketURL.port should be an non-empty string."
+`;
+
 exports[`options validate should throw an error on the "client" option with '{"webSocketURL":{"port":true}}' value 1`] = `
 "ValidationError: Invalid configuration object. Object has been initialized using a configuration object that does not match the API schema.
  - configuration.client.webSocketURL should be one of these:
    non-empty string | object { host?, port?, path? }
    -> When using dev server and you're proxying dev-server, the client script does not always know where to connect to.
    Details:
     * configuration.client.webSocketURL.port should be one of these:
-      number | string
+      number | non-empty string
       -> Tells clients connected to devServer to use the provided port.
       Details:
        * configuration.client.webSocketURL.port should be a number.
-       * configuration.client.webSocketURL.port should be a string."
+       * configuration.client.webSocketURL.port should be a non-empty string."
 `;
 
 exports[`options validate should throw an error on the "client" option with 'whoops!' value 1`] = `