(refactor): move tests to test/, test-utils/ to test/config/

- have been putting tests separately from source nowadays in other of
  my libraries, so standardize around that

- put fixtures just in test/ (later could be in test/fixtures/), leave
  config/ solely for test config type things

jest.config.js

@@ -1,20 +1,20 @@
 module.exports = {
   moduleNameMapper: {
     // allow importing of Jest as an ES Module (https://github.com/facebook/jest/pull/7571#issuecomment-498634094)
-    '^jest$': '<rootDir>/test-utils/jest-export.js'
+    '^jest$': '<rootDir>/test/config/jest-export.js'
   },
   setupFilesAfterEnv: [
     // configure enzyme w/ react adapter
-    '<rootDir>/test-utils/configure-enzyme.js',
+    '<rootDir>/test/config/configure-enzyme.js',
     // polyfill window.resizeTo
-    '<rootDir>/test-utils/window-resizeTo.js'
+    '<rootDir>/test/config/window-resizeTo.js'
   ],
   transform: {
     // use babel-jest@23 for babel@6 support (https://github.com/facebook/jest/issues/8230#issuecomment-479470547)
     '\\.js$': require.resolve('babel-jest')
   },
   coveragePathIgnorePatterns: [
     '/node_modules/', // default
-    '<rootDir>/test-utils/' // ignore test-utils
+    '<rootDir>/test/' // ignore any test helper files
   ]
 }

package.json

@@ -4,7 +4,7 @@
   "description": "A React wrapper component around signature_pad. Unopinionated and heavily updated fork of react-signature-pad",
   "main": "build/index.js",
   "files": [
-    "src/index.js",
+    "src/",
     "build/"
   ],
   "author": "Anton Gilgur",

src/index.spec.js → test/index.spec.js

@@ -2,8 +2,8 @@ import jest, { describe, it, test, expect } from 'jest'
 import { mount } from 'enzyme'
 import React from 'react'
 
-import SignatureCanvas from './index.js'
-import { propsF, dotF } from '../test-utils/fixtures.js'
+import SignatureCanvas from '../src/index.js'
+import { propsF, dotF } from './fixtures.js'
 
 test('mounts canvas and instance properly', () => {
   const wrapper = mount(<SignatureCanvas />)