diff --git a/src/Plugin/Field/FieldWidget/EntityReferenceBrowserWidget.php b/src/Plugin/Field/FieldWidget/EntityReferenceBrowserWidget.php
index 06b7c7f..d33d769 100644
--- a/src/Plugin/Field/FieldWidget/EntityReferenceBrowserWidget.php
+++ b/src/Plugin/Field/FieldWidget/EntityReferenceBrowserWidget.php
@@ -601,8 +601,8 @@ class EntityReferenceBrowserWidget extends WidgetBase implements ContainerFactor
     $entity_storage = $this->entityTypeManager->getStorage($entity_type);
 
     // Find IDs from target_id element (it stores selected entities in form).
-    if (($targetIdEntities = $this->getEntitiesByTargetId($element, $form_state)) !== FALSE) {
-      return $targetIdEntities;
+    if (($target_id_entities = $this->getEntitiesByTargetId($element, $form_state)) !== FALSE) {
+      return $target_id_entities;
     }
 
     // Determine if we're submitting and if submit came from this widget.
@@ -689,7 +689,7 @@ class EntityReferenceBrowserWidget extends WidgetBase implements ContainerFactor
    *   Return list of entities if they are available or false.
    */
   protected function getEntitiesByTargetId(array $element, FormStateInterface $form_state) {
-    $targetIdElementPath = array_merge(
+    $target_id_element_path = array_merge(
       $element['#field_parents'],
       [
         $this->fieldDefinition->getName(),
@@ -697,17 +697,17 @@ class EntityReferenceBrowserWidget extends WidgetBase implements ContainerFactor
       ]
     );
 
-    $currValue = $form_state->getUserInput();
-    foreach ($targetIdElementPath as $elementIdentifier) {
-      if (!isset($currValue[$elementIdentifier])) {
+    $current_user_input = $form_state->getValues();
+    foreach ($target_id_element_path as $element_identifier) {
+      if (!isset($current_user_input[$element_identifier])) {
         return FALSE;
       }
 
-      $currValue = $currValue[$elementIdentifier];
+      $current_user_input = $current_user_input[$element_identifier];
     }
 
-    if (!is_array($currValue)) {
-      $entities = EntityBrowserElement::processEntityIds($currValue);
+    if (!is_array($current_user_input)) {
+      $entities = EntityBrowserElement::processEntityIds($current_user_input);
 
       return $entities;
     }
diff --git a/tests/modules/entity_browser_ief_test/entity_browser_ief_test.libraries.yml b/tests/modules/entity_browser_ief_test/entity_browser_ief_test.libraries.yml
deleted file mode 100644
index 8bdedd0..0000000
--- a/tests/modules/entity_browser_ief_test/entity_browser_ief_test.libraries.yml
+++ /dev/null
@@ -1,7 +0,0 @@
-entity_browser_ief_test_simulate_jquery:
-  version: VERSION
-  js:
-    js/jquery.simulate.js: {}
-  dependencies:
-    - core/jquery
-    - core/drupal
\ No newline at end of file
diff --git a/tests/modules/entity_browser_ief_test/js/jquery.simulate.js b/tests/modules/entity_browser_ief_test/js/jquery.simulate.js
deleted file mode 100644
index 75d9b67..0000000
--- a/tests/modules/entity_browser_ief_test/js/jquery.simulate.js
+++ /dev/null
@@ -1,331 +0,0 @@
- /*!
- * jQuery Simulate v@VERSION - simulate browser mouse and keyboard events
- * https://github.com/jquery/jquery-simulate
- *
- * Copyright jQuery Foundation and other contributors
- * Released under the MIT license.
- * http://jquery.org/license
- *
- * Date: @DATE
- */
-
-;(function( $, undefined ) {
-
-var rkeyEvent = /^key/,
-	rmouseEvent = /^(?:mouse|contextmenu)|click/;
-
-$.fn.simulate = function( type, options ) {
-	return this.each(function() {
-		new $.simulate( this, type, options );
-	});
-};
-
-$.simulate = function( elem, type, options ) {
-	var method = $.camelCase( "simulate-" + type );
-
-	this.target = elem;
-	this.options = options;
-
-	if ( this[ method ] ) {
-		this[ method ]();
-	} else {
-		this.simulateEvent( elem, type, options );
-	}
-};
-
-$.extend( $.simulate, {
-
-	keyCode: {
-		BACKSPACE: 8,
-		COMMA: 188,
-		DELETE: 46,
-		DOWN: 40,
-		END: 35,
-		ENTER: 13,
-		ESCAPE: 27,
-		HOME: 36,
-		LEFT: 37,
-		NUMPAD_ADD: 107,
-		NUMPAD_DECIMAL: 110,
-		NUMPAD_DIVIDE: 111,
-		NUMPAD_ENTER: 108,
-		NUMPAD_MULTIPLY: 106,
-		NUMPAD_SUBTRACT: 109,
-		PAGE_DOWN: 34,
-		PAGE_UP: 33,
-		PERIOD: 190,
-		RIGHT: 39,
-		SPACE: 32,
-		TAB: 9,
-		UP: 38
-	},
-
-	buttonCode: {
-		LEFT: 0,
-		MIDDLE: 1,
-		RIGHT: 2
-	}
-});
-
-$.extend( $.simulate.prototype, {
-
-	simulateEvent: function( elem, type, options ) {
-		var event = this.createEvent( type, options );
-		this.dispatchEvent( elem, type, event, options );
-	},
-
-	createEvent: function( type, options ) {
-		if ( rkeyEvent.test( type ) ) {
-			return this.keyEvent( type, options );
-		}
-
-		if ( rmouseEvent.test( type ) ) {
-			return this.mouseEvent( type, options );
-		}
-	},
-
-	mouseEvent: function( type, options ) {
-		var event, eventDoc, doc, body;
-		options = $.extend({
-			bubbles: true,
-			cancelable: (type !== "mousemove"),
-			view: window,
-			detail: 0,
-			screenX: 0,
-			screenY: 0,
-			clientX: 1,
-			clientY: 1,
-			ctrlKey: false,
-			altKey: false,
-			shiftKey: false,
-			metaKey: false,
-			button: 0,
-			relatedTarget: undefined
-		}, options );
-
-		if ( document.createEvent ) {
-			event = document.createEvent( "MouseEvents" );
-			event.initMouseEvent( type, options.bubbles, options.cancelable,
-				options.view, options.detail,
-				options.screenX, options.screenY, options.clientX, options.clientY,
-				options.ctrlKey, options.altKey, options.shiftKey, options.metaKey,
-				options.button, options.relatedTarget || document.body.parentNode );
-
-			// IE 9+ creates events with pageX and pageY set to 0.
-			// Trying to modify the properties throws an error,
-			// so we define getters to return the correct values.
-			if ( event.pageX === 0 && event.pageY === 0 && Object.defineProperty ) {
-				eventDoc = event.relatedTarget.ownerDocument || document;
-				doc = eventDoc.documentElement;
-				body = eventDoc.body;
-
-				Object.defineProperty( event, "pageX", {
-					get: function() {
-						return options.clientX +
-							( doc && doc.scrollLeft || body && body.scrollLeft || 0 ) -
-							( doc && doc.clientLeft || body && body.clientLeft || 0 );
-					}
-				});
-				Object.defineProperty( event, "pageY", {
-					get: function() {
-						return options.clientY +
-							( doc && doc.scrollTop || body && body.scrollTop || 0 ) -
-							( doc && doc.clientTop || body && body.clientTop || 0 );
-					}
-				});
-			}
-		} else if ( document.createEventObject ) {
-			event = document.createEventObject();
-			$.extend( event, options );
-			// standards event.button uses constants defined here: http://msdn.microsoft.com/en-us/library/ie/ff974877(v=vs.85).aspx
-			// old IE event.button uses constants defined here: http://msdn.microsoft.com/en-us/library/ie/ms533544(v=vs.85).aspx
-			// so we actually need to map the standard back to oldIE
-			event.button = {
-				0: 1,
-				1: 4,
-				2: 2
-			}[ event.button ] || ( event.button === -1 ? 0 : event.button );
-		}
-
-		return event;
-	},
-
-	keyEvent: function( type, options ) {
-		var event;
-		options = $.extend({
-			bubbles: true,
-			cancelable: true,
-			view: window,
-			ctrlKey: false,
-			altKey: false,
-			shiftKey: false,
-			metaKey: false,
-			keyCode: 0,
-			charCode: undefined
-		}, options );
-
-		if ( document.createEvent ) {
-			try {
-				event = document.createEvent( "KeyEvents" );
-				event.initKeyEvent( type, options.bubbles, options.cancelable, options.view,
-					options.ctrlKey, options.altKey, options.shiftKey, options.metaKey,
-					options.keyCode, options.charCode );
-			// initKeyEvent throws an exception in WebKit
-			// see: http://stackoverflow.com/questions/6406784/initkeyevent-keypress-only-works-in-firefox-need-a-cross-browser-solution
-			// and also https://bugs.webkit.org/show_bug.cgi?id=13368
-			// fall back to a generic event until we decide to implement initKeyboardEvent
-			} catch( err ) {
-				event = document.createEvent( "Events" );
-				event.initEvent( type, options.bubbles, options.cancelable );
-				$.extend( event, {
-					view: options.view,
-					ctrlKey: options.ctrlKey,
-					altKey: options.altKey,
-					shiftKey: options.shiftKey,
-					metaKey: options.metaKey,
-					keyCode: options.keyCode,
-					charCode: options.charCode
-				});
-			}
-		} else if ( document.createEventObject ) {
-			event = document.createEventObject();
-			$.extend( event, options );
-		}
-
-		if ( !!/msie [\w.]+/.exec( navigator.userAgent.toLowerCase() ) || (({}).toString.call( window.opera ) === "[object Opera]") ) {
-			event.keyCode = (options.charCode > 0) ? options.charCode : options.keyCode;
-			event.charCode = undefined;
-		}
-
-		return event;
-	},
-
-	dispatchEvent: function( elem, type, event ) {
-		if ( elem.dispatchEvent ) {
-			elem.dispatchEvent( event );
-		} else if ( type === "click" && elem.click && elem.nodeName.toLowerCase() === "input" ) {
-			elem.click();
-		} else if ( elem.fireEvent ) {
-			elem.fireEvent( "on" + type, event );
-		}
-	},
-
-	simulateFocus: function() {
-		var focusinEvent,
-			triggered = false,
-			element = $( this.target );
-
-		function trigger() {
-			triggered = true;
-		}
-
-		element.bind( "focus", trigger );
-		element[ 0 ].focus();
-
-		if ( !triggered ) {
-			focusinEvent = $.Event( "focusin" );
-			focusinEvent.preventDefault();
-			element.trigger( focusinEvent );
-			element.triggerHandler( "focus" );
-		}
-		element.unbind( "focus", trigger );
-	},
-
-	simulateBlur: function() {
-		var focusoutEvent,
-			triggered = false,
-			element = $( this.target );
-
-		function trigger() {
-			triggered = true;
-		}
-
-		element.bind( "blur", trigger );
-		element[ 0 ].blur();
-
-		// blur events are async in IE
-		setTimeout(function() {
-			// IE won't let the blur occur if the window is inactive
-			if ( element[ 0 ].ownerDocument.activeElement === element[ 0 ] ) {
-				element[ 0 ].ownerDocument.body.focus();
-			}
-
-			// Firefox won't trigger events if the window is inactive
-			// IE doesn't trigger events if we had to manually focus the body
-			if ( !triggered ) {
-				focusoutEvent = $.Event( "focusout" );
-				focusoutEvent.preventDefault();
-				element.trigger( focusoutEvent );
-				element.triggerHandler( "blur" );
-			}
-			element.unbind( "blur", trigger );
-		}, 1 );
-	}
-});
-
-
-
-/** complex events **/
-
-function findCenter( elem ) {
-	var offset,
-		document = $( elem.ownerDocument );
-	elem = $( elem );
-	offset = elem.offset();
-
-	return {
-		x: offset.left + elem.outerWidth() / 2 - document.scrollLeft(),
-		y: offset.top + elem.outerHeight() / 2 - document.scrollTop()
-	};
-}
-
-function findCorner( elem ) {
-	var offset,
-		document = $( elem.ownerDocument );
-	elem = $( elem );
-	offset = elem.offset();
-
-	return {
-		x: offset.left - document.scrollLeft(),
-		y: offset.top - document.scrollTop()
-	};
-}
-
-$.extend( $.simulate.prototype, {
-	simulateDrag: function() {
-		var i = 0,
-			target = this.target,
-			eventDoc = target.ownerDocument,
-			options = this.options,
-			center = options.handle === "corner" ? findCorner( target ) : findCenter( target ),
-			x = Math.floor( center.x ),
-			y = Math.floor( center.y ),
-			coord = { clientX: x, clientY: y },
-			dx = options.dx || ( options.x !== undefined ? options.x - x : 0 ),
-			dy = options.dy || ( options.y !== undefined ? options.y - y : 0 ),
-			moves = options.moves || 3;
-
-		this.simulateEvent( target, "mousedown", coord );
-
-		for ( ; i < moves ; i++ ) {
-			x += dx / moves;
-			y += dy / moves;
-
-			coord = {
-				clientX: Math.round( x ),
-				clientY: Math.round( y )
-			};
-
-			this.simulateEvent( eventDoc, "mousemove", coord );
-		}
-
-		if ( $.contains( eventDoc, target ) ) {
-			this.simulateEvent( target, "mouseup", coord );
-			this.simulateEvent( target, "click", coord );
-		} else {
-			this.simulateEvent( eventDoc, "mouseup", coord );
-		}
-	}
-});
-
-})( jQuery );
diff --git a/tests/src/FunctionalJavascript/InlineEntityFormTest.php b/tests/src/FunctionalJavascript/InlineEntityFormTest.php
index 04380c3..bae78d9 100644
--- a/tests/src/FunctionalJavascript/InlineEntityFormTest.php
+++ b/tests/src/FunctionalJavascript/InlineEntityFormTest.php
@@ -86,9 +86,10 @@ class InlineEntityFormTest extends EntityBrowserJavascriptTestBase {
     $this->assertSession()->assertWaitOnAjaxRequest();
 
     // Test reorder of elements.
-    $this->getSession()
-      ->getDriver()
-      ->executeScript('jQuery(\'[data-drupal-selector="edit-ief-media-field-form-inline-entity-form-entities-0-form-ief-media-bundle-file-field-current-items-0"]\').simulate("drag", { moves: 1, dx: 150, dy: 0 });');
+    $dragged = $this->xpath("//div[@data-drupal-selector='edit-ief-media-field-form-inline-entity-form-entities-0-form-ief-media-bundle-file-field-current-items-0']")[0];
+    $target = $this->xpath("//div[@data-drupal-selector='edit-ief-media-field-form-inline-entity-form-entities-0-form-ief-media-bundle-file-field-current-items-1']")[0];
+    $dragged->dragTo($target);
+
     $this->assertSession()->assertWaitOnAjaxRequest();
 
     $page->pressButton('Update Test File Media');