Move tests into metabase directory to match source tree

frontend/test/admin/settings/utils.unit.spec.js → frontend/test/metabase/admin/settings/utils.unit.spec.js

-import { prepareAnalyticsValue } from "../../../src/metabase/admin/settings/utils";
+import { prepareAnalyticsValue } from "metabase/admin/settings/utils";
 
 describe("prepareAnalyticsValue", () => {
   const defaultSetting = { value: 120, type: "number" };

frontend/test/components/Button.unit.spec.js → frontend/test/metabase/components/Button.unit.spec.js

@@ -3,7 +3,7 @@ import renderer from "react-test-renderer";
 
 import { render } from "enzyme";
 
-import Button from "../../src/metabase/components/Button";
+import Button from "metabase/components/Button";
 
 describe("Button", () => {
   it("should render correctly", () => {

frontend/test/components/Calendar.unit.test.js → frontend/test/metabase/components/Calendar.unit.test.js

@@ -4,7 +4,7 @@ import moment from "moment";
 import mockDate from "mockdate";
 import { mount } from "enzyme";
 
-import Calendar from "../../src/metabase/components/Calendar";
+import Calendar from "metabase/components/Calendar";
 
 describe("Calendar", () => {
   afterEach(() => {

frontend/test/components/FieldValuesWidget.unit.spec.js → frontend/test/metabase/components/FieldValuesWidget.unit.spec.js

@@ -5,10 +5,10 @@ import {
   metadata,
   PRODUCT_CATEGORY_FIELD_ID,
   ORDERS_PRODUCT_FK_FIELD_ID,
-} from "../__support__/sample_dataset_fixture";
+} from "__support__/sample_dataset_fixture";
 
-import { FieldValuesWidget } from "../../src/metabase/components/FieldValuesWidget";
-import TokenField from "../../src/metabase/components/TokenField";
+import { FieldValuesWidget } from "metabase/components/FieldValuesWidget";
+import TokenField from "metabase/components/TokenField";
 
 const mock = (object, properties) =>
   Object.assign(Object.create(object), properties);