Fix lint errors in tests

frontend/test/__support__/integrated_tests.js

@@ -99,8 +99,8 @@ export function switchToTestFixtureDatabase() {
     api.basename = process.env.TEST_FIXTURE_BACKEND_HOST;
 }
 
-const isPlainDatabase = () => api.basename === process.env.PLAIN_BACKEND_HOST;
-const isTestFixtureDatabase = () => api.basename === process.env.TEST_FIXTURE_BACKEND_HOST;
+export const isPlainDatabase = () => api.basename === process.env.PLAIN_BACKEND_HOST;
+export const isTestFixtureDatabase = () => api.basename === process.env.TEST_FIXTURE_BACKEND_HOST;
 
 /**
  * Creates an augmented Redux store for testing the whole app including browser history manipulation. Includes:

frontend/test/setup/signup.integ.spec.js

@@ -4,13 +4,11 @@ import {
     BROWSER_HISTORY_REPLACE
 } from "__support__/integrated_tests";
 import {
-    click,
     clickButton,
     setInputValue
 } from "__support__/enzyme_utils";
 
 import { mount } from "enzyme";
-import { delay } from "metabase/lib/promise"
 import Setup from "metabase/setup/components/Setup";
 import { SET_ACTIVE_STEP } from "metabase/setup/actions";