test: fix slide-toggle e2e failures

Fixes some e2e failures in the slide toggle after the new design got in. The tests expect the ripples to go away at some point, however we introduced a permanent ripple.

Author: crisbeto

e2e/components/slide-toggle-e2e.spec.ts

@@ -13,59 +13,49 @@ describe('slide-toggle', () => {
   });
 
   it('should change the checked state on click', async () => {
-    let inputEl = getInput();
+    const inputEl = getInput();
 
     expect(inputEl.getAttribute('checked')).toBeFalsy('Expect slide-toggle to be unchecked');
 
     getNormalToggle().click();
 
     expect(inputEl.getAttribute('checked')).toBeTruthy('Expect slide-toggle to be checked');
-
-    await browser.wait(ExpectedConditions.not(
-      ExpectedConditions.presenceOf(element(by.css('div.mat-ripple-element')))));
   });
 
   it('should change the checked state on click', async () => {
-    let inputEl = getInput();
+    const inputEl = getInput();
 
     expect(inputEl.getAttribute('checked')).toBeFalsy('Expect slide-toggle to be unchecked');
 
     getNormalToggle().click();
 
     expect(inputEl.getAttribute('checked')).toBeTruthy('Expect slide-toggle to be checked');
-    await browser.wait(ExpectedConditions.not(
-      ExpectedConditions.presenceOf(element(by.css('div.mat-ripple-element')))));
   });
 
   it('should not change the checked state on click when disabled', async () => {
-    let inputEl = getInput();
+    const inputEl = getInput();
 
     expect(inputEl.getAttribute('checked')).toBeFalsy('Expect slide-toggle to be unchecked');
 
     element(by.css('#disabled-slide-toggle')).click();
 
     expect(inputEl.getAttribute('checked')).toBeFalsy('Expect slide-toggle to be unchecked');
-    await browser.wait(ExpectedConditions.not(
-      ExpectedConditions.presenceOf(element(by.css('div.mat-ripple-element')))));
   });
 
   it('should move the thumb on state change', async () => {
-    let slideToggleEl = getNormalToggle();
-    let thumbEl = element(by.css('#normal-slide-toggle .mat-slide-toggle-thumb-container'));
-    let previousPosition = await thumbEl.getLocation();
+    const slideToggleEl = getNormalToggle();
+    const thumbEl = element(by.css('#normal-slide-toggle .mat-slide-toggle-thumb-container'));
+    const previousPosition = await thumbEl.getLocation();
 
     slideToggleEl.click();
 
-    let position = await thumbEl.getLocation();
+    const position = await thumbEl.getLocation();
 
     expect(position.x).not.toBe(previousPosition.x);
-
-    await browser.wait(ExpectedConditions.not(
-      ExpectedConditions.presenceOf(element(by.css('div.mat-ripple-element')))));
   });
 
   it('should toggle the slide-toggle on space key', () => {
-    let inputEl = getInput();
+    const inputEl = getInput();
 
     expect(inputEl.getAttribute('checked')).toBeFalsy('Expect slide-toggle to be unchecked');