Move test files into test/unit-tests (#30542)

I think these tests got misfiled. All the other jest tests are under `test/unit-tests`.

test/components/views/dialogs/ModalWidgetDialog-test.tsx

@@ -1,56 +0,0 @@
-/*
-Copyright 2024 New Vector Ltd.
-
-SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
-Please see LICENSE files in the repository root for full details.
-*/
-
-import { fireEvent, render } from "jest-matrix-react";
-import { ClientWidgetApi, MatrixWidgetType } from "matrix-widget-api";
-import React from "react";
-import { TooltipProvider } from "@vector-im/compound-web";
-import { mocked } from "jest-mock";
-import { findLast, last } from "lodash";
-
-import ModalWidgetDialog from "../../../../src/components/views/dialogs/ModalWidgetDialog";
-import { stubClient } from "../../../test-utils";
-import defaultDispatcher from "../../../../src/dispatcher/dispatcher";
-import { Action } from "../../../../src/dispatcher/actions";
-import SettingsStore from "../../../../src/settings/SettingsStore";
-
-jest.mock("matrix-widget-api", () => ({
-    ...jest.requireActual("matrix-widget-api"),
-    ClientWidgetApi: (jest.createMockFromModule("matrix-widget-api") as any).ClientWidgetApi,
-}));
-
-describe("ModalWidgetDialog", () => {
-    it("informs the widget of theme changes", () => {
-        stubClient();
-        let theme = "light";
-        const settingsSpy = jest
-            .spyOn(SettingsStore, "getValue")
-            .mockImplementation((name) => (name === "theme" ? theme : null));
-        try {
-            render(
-                <TooltipProvider>
-                    <ModalWidgetDialog
-                        widgetDefinition={{ type: MatrixWidgetType.Custom, url: "https://example.org" }}
-                        sourceWidgetId=""
-                        onFinished={() => {}}
-                    />
-                </TooltipProvider>,
-            );
-            // Indicate that the widget is loaded and ready
-            fireEvent.load(document.getElementsByTagName("iframe").item(0)!);
-            const messaging = mocked(last(mocked(ClientWidgetApi).mock.instances)!);
-            findLast(messaging.once.mock.calls, ([eventName]) => eventName === "ready")![1]();
-
-            // Now change the theme
-            theme = "dark";
-            defaultDispatcher.dispatch({ action: Action.RecheckTheme }, true);
-            expect(messaging.updateTheme).toHaveBeenLastCalledWith({ name: "dark" });
-        } finally {
-            settingsSpy.mockRestore();
-        }
-    });
-});