Fix file widget tests

.travis.yml

@@ -3,6 +3,12 @@ language:
 - node_js
 node_js:
 - "6"
+- "7"
+- "8"
+- "9"
+- "10"
+- "11"
+- "12"
 env:
 - ACTION=test
 - ACTION="run lint"

src/components/widgets/FileWidget.js

@@ -1,7 +1,7 @@
 import React, { Component } from "react";
 import PropTypes from "prop-types";
 
-import { dataURItoBlob, shouldRender, setState } from "../../utils";
+import { dataURItoBlob, shouldRender } from "../../utils";
 
 function addNameToDataURL(dataURL, name) {
   return dataURL.replace(";base64", `;name=${encodeURIComponent(name)};base64`);
@@ -79,7 +79,7 @@ class FileWidget extends Component {
         values: filesInfo.map(fileInfo => fileInfo.dataURL),
         filesInfo,
       };
-      setState(this, state, () => {
+      this.setState(state, () => {
         if (multiple) {
           onChange(state.values);
         } else {

test/StringField_test.js

@@ -1566,7 +1566,7 @@ describe("StringField", () => {
   describe("FileWidget", () => {
     const initialValue = "data:text/plain;name=file1.txt;base64,dGVzdDE=";
 
-    it("should render a color field", () => {
+    it("should render a file field", () => {
       const { node } = createFormComponent({
         schema: {
           type: "string",
@@ -1581,7 +1581,7 @@ describe("StringField", () => {
       const { comp } = createFormComponent({
         schema: {
           type: "string",
-          format: "color",
+          format: "data-url",
           default: initialValue,
         },
       });