finalizeTestBuilder example

yield [null, [null]];
        yield [['value'], ['value']];
    }

    public function testThenInvalid()
    {
        $this->expectException(InvalidConfigurationException::class);
        $test = $this->getTestBuilder()
            ->ifString()
            ->thenInvalid('Invalid value')
        ->end();
        $this->finalizeTestBuilder($test);
    }

    public function testThenUnsetExpression()
    {
        $test = $this->getTestBuilder()
            ->ifString()
            ->thenUnset()
        ->end();
        $this->assertEquals([], $this->finalizeTestBuilder($test));
    }