Doing a single dynamic import

__tests__/__renderer__/preferences.mjs

@@ -78,9 +78,17 @@ function resetPreferenceFile()
 
 const testPreferences = Object.assign({}, defaultPreferences);
 
+// Functions from preferences.js that will be imported dynamically
+let convertTimeFormat;
+let listenerLanguage;
+let populateLanguages;
+let refreshContent;
+let renderPreferencesWindow;
+let resetContent;
+
 describe('Test Preferences Window', () =>
 {
-    before(() =>
+    before(async() =>
     {
         // APIs from the preload script of the preferences window
         window.mainApi = preferencesApi;
@@ -93,27 +101,29 @@ describe('Test Preferences Window', () =>
         window.mainApi.getLanguageDatePromise = () => {};
         window.mainApi.showDialogSync = () => { return new Promise((resolve) => resolve({ response: 0 })); };
 
+        // TODO: add the necessary values here for the reset test to work
+        // window.mainApi.getLanguageDataPromise = () => { return new Promise((resolve) => resolve({
+        //     'language': 'en',
+        //     'data': {}
+        // })); };
+
         resetPreferenceFile();
+
+        // Using dynamic imports because when the file is imported a $() callback is triggered and
+        // methods must be mocked before-hand
+        const file = await import('../../src/preferences.js');
+        convertTimeFormat = file.convertTimeFormat;
+        listenerLanguage = file.listenerLanguage;
+        populateLanguages = file.populateLanguages;
+        refreshContent = file.refreshContent;
+        renderPreferencesWindow = file.renderPreferencesWindow;
+        resetContent = file.resetContent;
     });
 
     describe('Changing values of items in window', () =>
     {
         beforeEach(async function()
         {
-            // For some reason this test takes longer when running the whole testsuite. My suspicion is that
-            // import is taking longer after many tests write to the file.
-            // Thus, increasing the timeout.
-            this.timeout(15000);
-
-            // Using dynamic imports because when the file is imported a $() callback is triggered and
-            // methods must be mocked before-hand
-            const {
-                listenerLanguage,
-                populateLanguages,
-                refreshContent,
-                renderPreferencesWindow,
-            } = await import('../../src/preferences.js');
-
             await prepareMockup();
             await refreshContent();
             renderPreferencesWindow();
@@ -235,12 +245,6 @@ describe('Test Preferences Window', () =>
 
     describe('Check if configure hours per day conversion function', () =>
     {
-        let convertTimeFormat;
-        before(async() =>
-        {
-            convertTimeFormat = (await import('../../src/preferences.js')).convertTimeFormat;
-        });
-
         it('should convert single digit hour to HH:MM format', () =>
         {
             assert.strictEqual(convertTimeFormat('6'), '06:00');
@@ -286,19 +290,6 @@ describe('Test Preferences Window', () =>
     {
         beforeEach(async function()
         {
-            // For some reason this test takes longer when running the whole testsuite. My suspicion is that
-            // import is taking longer after many tests write to the file.
-            // Thus, increasing the timeout.
-            this.timeout(15000);
-
-            // Using dynamic imports because when the file is imported a $() callback is triggered and
-            // methods must be mocked before-hand
-            const {
-                listenerLanguage,
-                populateLanguages,
-                resetContent
-            } = await import('../../src/preferences.js');
-
             await prepareMockup();
             resetContent();
             populateLanguages();
@@ -312,6 +303,7 @@ describe('Test Preferences Window', () =>
             const resetTextAfterClick = $('#reset-button').text();
             assert.notStrictEqual(resetText, resetTextAfterClick);
         });
+
         it('Click reset and check that setting was restored', () =>
         {
             changeItemValue('count-today', true);