@TestVisible is ignored for private methods

[Alexander Johannes]

The latest release of IC introduced a regression regarding the visibility of private methods which are overridden.

We are using the @TestVisible annotation for private virtual methods in order to mock/stub methods for testing. Now all private methods are marked as having an error. See also the attached screenshot.

Given

public virtual with sharing class TestPrivateMethod {

    @TestVisible
    private virtual void foo() {

    }
}

@TestVisible
@IsTest
private class TestPrivateMethodMock extends TestPrivateMethod {

    private override void foo() {

    }

}

Expected

@TestVisible should be treated like protected/public and not produce an error like that.

Impact

All classes do have multiple error annotations, making it impossible to find 'real' issues without deploying the code to Salesforce.

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[Scott Wells]

Ah...duh on my part. I'll fix that in the next build. It's a benign warning, but it's obviously misleading and annoying. Thanks for letting me know!

[Alexander Johannes]

Thanks for the swift reply and confirmation. Much appreciated.

[Scott Wells]

I fixed this way-back-when but never resolved the issue here.