refactor: removed IE leftovers from test\client (DevExpress#7964)

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## Purpose
_Describe the problem you want to address or the feature you want to
implement._

## Approach
_Describe how your changes address the issue or implement the desired
functionality in as much detail as possible._

## References
_Provide a link to the existing issue(s), if any._

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

test/client/before-test.js

@@ -13,10 +13,9 @@
     }
 
     //Hammerhead setup
-    const hammerhead   = getTestCafeModule('hammerhead');
-    const INSTRUCTION  = hammerhead.PROCESSING_INSTRUCTIONS.dom.script;
-    const location     = 'http://localhost/sessionId/https://example.com';
-    const browserUtils = hammerhead.utils.browser;
+    const hammerhead  = getTestCafeModule('hammerhead');
+    const INSTRUCTION = hammerhead.PROCESSING_INSTRUCTIONS.dom.script;
+    const location    = 'http://localhost/sessionId/https://example.com';
 
     hammerhead.utils.destLocation.forceLocation(location);
 
@@ -73,24 +72,6 @@
 
     sandboxedJQuery.init(window);
 
-    // NOTE: https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/17477979/
-    window.DIRECTION_ALWAYS_IS_FORWARD = false;
-
-    if (browserUtils.isMSEdge && browserUtils.version >= 17) {
-        $(function () {
-            const nativeMethods = hammerhead.nativeMethods;
-            const input         = nativeMethods.createElement.call(document, 'input');
-
-            nativeMethods.appendChild.call(document.body, input);
-            nativeMethods.inputValueSetter.call(input, 'text');
-            nativeMethods.setSelectionRange.call(input, 0, 2, 'backward');
-
-            window.DIRECTION_ALWAYS_IS_FORWARD = input.selectionDirection === 'forward';
-
-            nativeMethods.removeChild.call(document.body, input);
-        });
-    }
-
     //Tests API
     window.getTestCafeModule = getTestCafeModule;
     window.getProperty       = window[INSTRUCTION.getProperty];

test/client/fixtures/automation/automations-test.js

@@ -191,9 +191,7 @@ $(document).ready(function () {
         equal(domUtils.getActiveElement(), el, 'selected element is active');
         equal(textSelection.getSelectionStart(el), start, 'start selection correct');
         equal(textSelection.getSelectionEnd(el), end, 'end selection correct');
-
-        if (!window.DIRECTION_ALWAYS_IS_FORWARD)
-            equal(textSelection.hasInverseSelection(el), inverse, 'selection direction correct');
+        equal(textSelection.hasInverseSelection(el), inverse, 'selection direction correct');
     };
 
     const preventDefault = function (e) {

test/client/fixtures/automation/press-shortcuts-test.js

@@ -75,8 +75,7 @@ $(document).ready(function () {
         equal(textSelection.getSelectionStart(activeElement), selectionStart, 'active element selection start are correct');
         equal(textSelection.getSelectionEnd(activeElement), selectionEnd, 'active element selection end are correct');
 
-        if (!window.DIRECTION_ALWAYS_IS_FORWARD)
-            ok(inverseSelection === (typeof inverse === 'undefined' ? false : inverse));
+        ok(inverseSelection === (typeof inverse === 'undefined' ? false : inverse));
     };
 
     const runPressAutomation = function (keySequence, callback) {

test/client/fixtures/automation/regression-test.js

@@ -734,9 +734,7 @@ $(document).ready(function () {
                 .then(function () {
                     equal(textSelection.getSelectionStart(input), startPos, 'start selection correct');
                     equal(textSelection.getSelectionEnd(input), endPos, 'end selection correct');
-
-                    if (!window.DIRECTION_ALWAYS_IS_FORWARD)
-                        equal(textSelection.hasInverseSelection(input), backward, 'selection direction correct');
+                    equal(textSelection.hasInverseSelection(input), backward, 'selection direction correct');
 
                     startNext();
                 });

test/client/fixtures/automation/select-test/index-test.js

@@ -91,9 +91,7 @@ $(document).ready(function () {
         equal(domUtils.getActiveElement(), el, 'selected element is active');
         equal(textSelection.getSelectionStart(el), start, 'start selection correct');
         equal(textSelection.getSelectionEnd(el), end, 'end selection correct');
-
-        if (!window.DIRECTION_ALWAYS_IS_FORWARD)
-            equal(textSelection.hasInverseSelection(el), inverse || false, 'selection direction correct');
+        equal(textSelection.hasInverseSelection(el), inverse || false, 'selection direction correct');
     }
 
     function restorePageState () {
@@ -300,7 +298,7 @@ $(document).ready(function () {
                 if (checkScrollAfterSelect)
                     ok(style.getElementScroll(input).left > 0);
 
-                expect((checkScrollAfterSelect ? 9 : 7) - Number(window.DIRECTION_ALWAYS_IS_FORWARD));
+                expect(checkScrollAfterSelect ? 9 : 7);
 
                 startNext();
             });
@@ -345,7 +343,7 @@ $(document).ready(function () {
                 if (checkScrollAfterSelect)
                     ok(style.getElementScroll(input).left < oldScroll);
 
-                expect((checkScrollAfterSelect ? 9 : 6) - Number(window.DIRECTION_ALWAYS_IS_FORWARD));
+                expect(checkScrollAfterSelect ? 9 : 6);
 
                 startNext();
             });
@@ -393,7 +391,7 @@ $(document).ready(function () {
                 if (checkScrollAfterSelect)
                     ok(style.getElementScroll(textarea).top > 0);
 
-                expect((checkScrollAfterSelect ? 9 : 7) - Number(window.DIRECTION_ALWAYS_IS_FORWARD));
+                expect(checkScrollAfterSelect ? 9 : 7);
 
                 startNext();
             });
@@ -439,7 +437,7 @@ $(document).ready(function () {
                 if (checkScrollAfterSelect)
                     ok(style.getElementScroll(textarea).top > 0);
 
-                expect((checkScrollAfterSelect ? 9 : 7) - Number(window.DIRECTION_ALWAYS_IS_FORWARD));
+                expect(checkScrollAfterSelect ? 9 : 7);
 
                 startNext();
             });
@@ -488,7 +486,7 @@ $(document).ready(function () {
                 if (checkScrollAfterSelect)
                     ok(style.getElementScroll(textarea).top < oldScroll);
 
-                expect((checkScrollAfterSelect ? 9 : 6) - Number(window.DIRECTION_ALWAYS_IS_FORWARD));
+                expect(checkScrollAfterSelect ? 9 : 6);
 
                 startNext();
             });
@@ -537,7 +535,7 @@ $(document).ready(function () {
                 if (checkScrollAfterSelect)
                     ok(style.getElementScroll(textarea).top < oldScroll);
 
-                expect((checkScrollAfterSelect ? 9 : 6) - Number(window.DIRECTION_ALWAYS_IS_FORWARD));
+                expect(checkScrollAfterSelect ? 9 : 6);
 
                 startNext();
             });