shadows/framework/src/main/java/org/robolectric/shadows/ShadowDevicePolicyManager.java
public void failSetApplicationHiddenFor(Collection<String> packagesToFail) {
    if (packagesToFail == null) {
      packagesToFail = Collections.emptySet();
    }
    packagesToFailForSetApplicationHidden = packagesToFail;
  }
public void failSetApplicationHiddenFor(Collection<String> packagesToFail) {
    if (packagesToFail == null) {
      packagesToFail = Collections.emptySet();
    }
    packagesToFailForSetApplicationHidden = packagesToFail;
  }
public void failSetApplicationHiddenFor ( Collection < String > packagesToFail ) { if ( packagesToFail == null ) { packagesToFail = Collections . emptySet ( ) ; } packagesToFailForSetApplicationHidden = packagesToFail ; }
Set package names for witch {@link DevicePolicyManager#setApplicationHidden} should fail.

@param packagesToFail collection of package names or {@code null} to clear the packages.
Set package names for witch { @link DevicePolicyManager#setApplicationHidden } should fail .