refactor: removed IE and MS Edge Legacy leftovers from test\client\legacy-fixtures\api (#7962)

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## Purpose
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## Approach
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## Pre-Merge TODO
- [ ] Write tests for your proposed changes
- [ ] Make sure that existing tests do not fail

Author: Aleksey28

test/client/legacy-fixtures/api/click-test.js

@@ -64,12 +64,7 @@ $(document).ready(function () {
     };
 
     const startNext = function () {
-        if (browserUtils.isIE) {
-            removeTestElements();
-            window.setTimeout(start, 30);
-        }
-        else
-            start();
+        start();
     };
 
     const runAsyncTest = function (actions, assertions, timeout) {
@@ -147,8 +142,7 @@ $(document).ready(function () {
     });
 
     QUnit.testDone(function () {
-        if (!browserUtils.isIE)
-            removeTestElements();
+        removeTestElements();
 
         SETTINGS.ENABLE_SOURCE_INDEX = false;
         currentErrorType             = null;

test/client/legacy-fixtures/api/drag-test.js

@@ -23,9 +23,6 @@ const correctTestWaitingTime = function (time) {
 };
 
 $(document).ready(function () {
-    // NOTE: remove this after fix IE tests in iFrame
-    $('body').css('border', '0px');
-
     // NOTE: prevent auto scrolling
     if (browserUtils.isSafari && featureDetection.isTouchDevice) {
         const $meta = $('<meta name="viewport" content="initial-scale=1.0, maximum-scale=1.0, shrink-to-fit=no">');

test/client/legacy-fixtures/api/press-test.js

@@ -1,5 +1,4 @@
 const hammerhead    = window.getTestCafeModule('hammerhead');
-const browserUtils  = hammerhead.utils.browser;
 const iframeSandbox = hammerhead.sandbox.iframe;
 
 const testCafeCore  = window.getTestCafeModule('testCafeCore');
@@ -231,10 +230,6 @@ $(document).ready(function () {
                     iframe.contentDocument.body.appendChild(link);
                     link.focus();
 
-                    // NOTE: we need setTimeout to wait for focus in IE
-                    return wait(browserUtils.isIE ? 1000 : 0);
-                })
-                .then(function () {
                     equal(domUtils.getActiveElement(), iframe);
                     equal(domUtils.getActiveElement(iframe.contentDocument), link);
 
@@ -286,10 +281,6 @@ $(document).ready(function () {
                     iframe.contentDocument.body.appendChild(link);
                     link.focus();
 
-                    // NOTE: we need setTimeout to wait for focus in IE
-                    return wait(browserUtils.isIE ? 1000 : 0);
-                })
-                .then(function () {
                     equal(domUtils.getActiveElement(), iframe);
                     equal(domUtils.getActiveElement(iframe.contentDocument), link);
 

test/client/legacy-fixtures/api/select-test/index-test.js

@@ -1,5 +1,4 @@
 const hammerhead       = window.getTestCafeModule('hammerhead');
-const browserUtils     = hammerhead.utils.browser;
 const featureDetection = hammerhead.utils.featureDetection;
 
 const testCafeCore  = window.getTestCafeModule('testCafeCore');
@@ -21,7 +20,7 @@ const initAutomation = testCafeLegacyRunner.get('./init-automation');
 initAutomation();
 
 const correctTestWaitingTime = function (time) {
-    if (featureDetection.isTouchDevice || featureDetection.hasTouchPoints)
+    if (featureDetection.isTouchDevice)
         return time * 2;
 
     return time;
@@ -214,11 +213,6 @@ $(document).ready(function () {
 
     $('body').css('height', '1500px');
 
-    //NOTE: problem with window.top bodyMargin in IE9 if test 'runAll'
-    //because we can't determine that element is in qunit test iframe
-    if (browserUtils.isIE9)
-        $(window.top.document).find('body').css('marginTop', '0px');
-
     //tests
     QUnit.testStart(function () {
         asyncActionCallback = function () {