Unused import in the generated test

[alisevych]

Description

There is an unused import in the generated test:
import java.net.UnknownHostException;
for the code containing Socket.connect

To Reproduce

1. Install Build from the main branch, one used into IDEA 2022.2.3
2. Open UTBotJava project
3. Check File -> Settings are default: 95% Symbolic execution
4. Generate tests for the following class:

public class SecurityCheck {
    public int connect(Socket socket) throws IOException {
        socket.connect(new InetSocketAddress("0.0.0.0", 22));
        return 0;
    }
}

Expected behavior

Only required imports are added to the generated test class.

Actual behavior

There is unused import java.net.UnknownHostException;

Visual proofs (screenshots, logs, images)

Environment

Windows 10 Pro
IntelliJ IDEA 2022.2.3 (JBR 17)
Gradle
JDK 11

Additional context

Originally posted by @alisevych in #1314 (comment)

[EgorkaKulikov]

Can't reporoduce this this bug (both @sofurihafe and me), however, a new issue #1590 was discovered.