Fix DAP issues

Author: youda97

src/dialog/overflow-menu/overflow-menu-option.component.ts

@@ -22,6 +22,7 @@ import {
 	template: `
 		<button
 			class="bx--overflow-menu-options__btn"
+			role="menuitem"
 			[ngClass]="{
 				'bx--overflow-menu-options__option--danger': type === 'danger',
 				'bx--overflow-menu-options__option--disabled': disabled
@@ -34,7 +35,7 @@ import {
 })
 export class OverflowMenuOption {
 	@HostBinding("class") optionClass = "bx--overflow-menu-options__option";
-	@HostBinding("attr.role") role = "list-item";
+	@HostBinding("attr.role") role = "presentation";
 
 	/**
 	 * toggles between `normal` and `danger` states

src/dialog/overflow-menu/overflow-menu-pane.component.ts

@@ -12,6 +12,8 @@ import { isFocusInLastItem, isFocusInFirstItem } from "./../../common/tab.servic
 	selector: "ibm-overflow-menu-pane",
 	template: `
 		<ul
+			role="menu"
+			aria-label="Overflow"
 			#dialog
 			class="bx--overflow-menu-options bx--overflow-menu-options--open">
 			<ng-template

src/dialog/overflow-menu/overflow-menu.component.ts

@@ -16,10 +16,13 @@ import { Component } from "@angular/core";
 	selector: "ibm-overflow-menu",
 	template: `
 		<div
+			#menu
 			[ibmOverflowMenu]="options"
 			[appendToBody]="true"
-			placement="bottom"
+			aria-label="Overflow"
 			class="bx--overflow-menu"
+			role="button"
+			placement="bottom"
 			style="display: block;"
 			tabindex="0">
 			<svg class="bx--overflow-menu__icon" width="3" height="15" viewBox="0 0 3 15">