Add e2e tests for new context menu action

experimental/traffic-portal/cypress/e2e/servers/servers.table.cy.ts

@@ -15,10 +15,44 @@
 describe("Servers table page", () => {
 	beforeEach(() => {
 		cy.login();
+		cy.visit("/core/servers");
 	});
 	it("Filters servers by hostname", () => {
-		cy.visit("/core/servers");
 		cy.get("input[name=fuzzControl]").focus().type("edge");
 		cy.window().its("location.search").should("contain", "search=edge");
 	});
+	it("Queues and clears revalidations on a server", () => {
+		cy.get("input[name=fuzzControl]").focus().type("edge");
+
+		// We need to force re-rendering of the table every time we do
+		// something, or cypress moves too fast and undoes things it's doing
+		// before the effects can be seen. This could be fixed by splitting
+		// these into separate tests, but that wouldn't be faster and would have
+		// the added drawback that it depends on the initial state of the data
+		// and the order in which the tests are run.
+		const reload = (): void => {
+			cy.reload();
+			cy.get("button[aria-label='column visibility menu']").click();
+			cy.get("input[type=checkbox][name='Reval Pending']").check();
+			cy.get("body").click(); // closes the menu so you can interact with other things.
+		};
+
+		reload();
+
+		cy.get(".ag-row:visible").first().rightclick();
+		cy.get("button").contains("Queue Content Revalidation").click();
+		reload();
+
+		cy.get(".ag-cell[col-id=revalPending]").first().should("contain.text", "schedule");
+		cy.get(".ag-row:visible").first().rightclick();
+		cy.get("button").contains("Clear Queued Content Revalidations").click();
+		reload();
+
+		cy.get(".ag-cell[col-id=revalPending]").first().should("contain.text", "done");
+		cy.get(".ag-row:visible").first().rightclick();
+		cy.get("button").contains("Queue Content Revalidation").click();
+		reload();
+
+		cy.get(".ag-cell[col-id=revalPending]").first().should("contain.text", "schedule");
+	});
 });

experimental/traffic-portal/src/app/shared/generic-table/generic-table.component.html

@@ -17,7 +17,7 @@
 	<button mat-flat-button type="button" title="clear all active filters" (click)="clearFilters()"><mat-icon>filter_list</mat-icon> Clear</button>
 	<button mat-flat-button type="button"*ngFor="let btn of tableTitleButtons" (click)="emitTitleButtonAction(btn.action)">{{btn.text}}</button>
 	<div class="toggle-columns" role="group" title="Select Table Columns">
-		<button type="button" mat-flat-button [matMenuTriggerFor]="menu" #trigger="matMenuTrigger">
+		<button type="button" mat-flat-button  aria-label="column visibility menu" [matMenuTriggerFor]="menu" #trigger="matMenuTrigger">
 			<mat-icon>view_column</mat-icon>&nbsp;
 			<mat-icon class="caret" [ngClass]="{'rotate': trigger.menuOpen}">expand_more</mat-icon>
 		</button>