Revert "Temporarily disable test."

This reverts commit a9072327d6.

Reason for revert: Re-enable fixed tests.

Bug: 189031816
Change-Id: Ibb95fe64a0fa6e9cf05c48371c12195e0697bf73

packages/SystemUI/tests/src/com/android/systemui/biometrics/AuthBiometricViewTest.java

@@ -41,7 +41,6 @@ import com.android.systemui.R;
 import com.android.systemui.SysuiTestCase;
 
 import org.junit.Before;
-import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
@@ -195,8 +194,6 @@ public class AuthBiometricViewTest extends SysuiTestCase {
         assertEquals(AuthBiometricView.STATE_AUTHENTICATING, mBiometricView.mState);
     }
 
-    // TODO: b(/189031816)
-    @Ignore
     @Test
     public void testError_sendsActionError() {
         initDialog(mContext, false /* allowDeviceCredential */, mCallback, new MockInjector());
@@ -241,8 +238,6 @@ public class AuthBiometricViewTest extends SysuiTestCase {
         verify(mCallback, never()).onAction(eq(AuthBiometricView.Callback.ACTION_USER_CANCELED));
     }
 
-    // TODO: b(/189031816)
-    @Ignore
     @Test
     public void testRestoresState() {
         final boolean requireConfirmation = true; // set/init from AuthController