Tweak tests

Co-authored-by: Erkki Heino <erkki.heino@aalto.fi>

src/__tests__/IntegrationAutosuggest.test.js

 import React from 'react';
+import ReactDOM from 'react-dom';
 import IntegrationAutosuggest from '../components/IntegrationAutosuggest';
 import renderer from 'react-test-renderer';
 import { mount } from 'enzyme';
@@ -14,12 +15,12 @@ describe('IntegrationAutosuggest', () => {
   });
 
   test('Renders with initial state without crashing', () => {
-    const component = renderer.create(
+    const div = document.createElement('div');
+    ReactDOM.render(
       <IntegrationAutosuggest search={INITIAL_STATE} updateQuery={updateQuery}
         fetchSuggestions={fetchSuggestions} clearSuggestions={clearSuggestions} />,
+      div
     );
-    let tree = component.toJSON();
-    expect(tree).toMatchSnapshot();
   });
 
   test('Displays query string', () => {

src/__tests__/__snapshots__/IntegrationAutosuggest.test.js.snap

@@ -50,54 +50,3 @@ exports[`IntegrationAutosuggest Displays query string 1`] = `
   />
 </div>
 `;
-
-exports[`IntegrationAutosuggest Renders with initial state without crashing 1`] = `
-<div
-  className="IntegrationAutosuggest-container-1"
->
-  <div
-    aria-describedby={undefined}
-    className="MuiFormControl-root-5 MuiFormControl-fullWidth-8"
-    onBlur={[Function]}
-    onFocus={[Function]}
-  >
-    <div
-      aria-activedescendant={null}
-      aria-autocomplete="list"
-      aria-expanded={false}
-      aria-owns="react-autowhatever-1"
-      className="MuiInput-root-9 MuiInput-fullWidth-16 MuiInput-formControl-10 MuiInput-underline-13"
-      role="combobox"
-      style={Object {}}
-    >
-      <input
-        aria-invalid={false}
-        aria-required={false}
-        autoComplete="off"
-        autoFocus={undefined}
-        className="MuiInput-input-17"
-        defaultValue={undefined}
-        disabled={false}
-        id={undefined}
-        name={undefined}
-        onBlur={[Function]}
-        onChange={[Function]}
-        onFocus={[Function]}
-        onKeyDown={[Function]}
-        onKeyUp={undefined}
-        placeholder="Search place names"
-        readOnly={undefined}
-        required={undefined}
-        rows={undefined}
-        type="text"
-        value=""
-      />
-    </div>
-  </div>
-  <div
-    className="MuiPaper-root-22 MuiPaper-elevation2-26"
-    id="react-autowhatever-1"
-    style={Object {}}
-  />
-</div>
-`;