test(material/stepper): revert updated harness files

Reverts previously changed step-harness files.

Author: essjay05

src/material/stepper/testing/step-harness-filters.ts

@@ -19,8 +19,6 @@ export interface StepHarnessFilters extends BaseHarnessFilters {
   label?: string | RegExp;
   /** Only find steps with the given selected state. */
   selected?: boolean;
-  /** Only find steps with the given pressed state. */
-  pressed?: boolean;
   /** Only find completed steps. */
   completed?: boolean;
   /** Only find steps that have errors. */

src/material/stepper/testing/step-harness.ts

@@ -34,11 +34,6 @@ export class MatStepHarness extends ContentContainerComponentHarness<string> {
         options.selected,
         async (harness, selected) => (await harness.isSelected()) === selected,
       )
-      .addOption(
-        'pressed',
-        options.pressed,
-        async (harness, pressed) => (await harness.isPressed()) === pressed,
-      )
       .addOption(
         'completed',
         options.completed,
@@ -72,19 +67,10 @@ export class MatStepHarness extends ContentContainerComponentHarness<string> {
     return (await host.getAttribute('aria-selected')) === 'true';
   }
 
-  /** Whether the step is selected. */
-  async isPressed(): Promise<boolean> {
-    const host = await this.host();
-    return (await host.getAttribute('aria-pressed')) === 'true';
-  }
-
   /** Whether the step has been filled out. */
   async isCompleted(): Promise<boolean> {
     const state = await this._getIconState();
-    return (
-      state === 'done' ||
-      (state === 'edit' && !((await this.isSelected()) || (await this.isPressed())))
-    );
+    return state === 'done' || (state === 'edit' && !(await this.isSelected()));
   }
 
   /**