[Expected value have to be Literal or Variable but ...] error when running parametrized test generation

[sofurihafe]

Description

When running sample tests with enabled parametrized test generation, error Expected value have to be Literal or Variable but ... occurs.

To Reproduce

1. Prepare TestCodeGeneratorPipeline for parametrized test generation;
2. Run DeepEqualsTest.

Visual proofs (screenshots, logs, images)