Clean up instrumentation tests

- Fixed some important tests
- Deleted some useless tests
- Some tests are still broken, filed bugs for these

Fixes: 124572765
Test: atest
Change-Id: Iac4e6a1fb1dbf9383d91945525df69a651ae77fd

tests/unit/src/com/android/settings/accessibility/AccessibilityShortcutPreferenceFragmentTest.java

@@ -30,6 +30,7 @@ import static org.hamcrest.Matchers.allOf;
 
 import android.app.Instrumentation;
 import android.os.Bundle;
+
 import android.provider.Settings;
 import android.widget.CompoundButton;
 
@@ -63,14 +64,6 @@ public class AccessibilityShortcutPreferenceFragmentTest {
         mActivity = mActivityRule.getActivity();
     }
 
-    @Test
-    public void lockScreenPreference_defaultBeforeDialogShown_isOff() {
-        setDialogShown(false);
-        setOnLockscreen(null);
-        startFragment();
-        assertLockscreenSwitchIsCheckedIs(false);
-    }
-
     @Test
     public void lockScreenPreference_setOnBeforeDialogShown_isOn() {
         setDialogShown(false);
@@ -87,14 +80,6 @@ public class AccessibilityShortcutPreferenceFragmentTest {
         assertLockscreenSwitchIsCheckedIs(true);
     }
 
-    @Test
-    public void lockScreenPreference_setOffAfterDialogShown_isOn() {
-        setDialogShown(true);
-        setOnLockscreen(false);
-        startFragment();
-        assertLockscreenSwitchIsCheckedIs(false);
-    }
-
     private void startFragment() {
         mInstrumentation.runOnMainSync(() -> {
             new SubSettingLauncher(mActivity)