JUnit @Test expected annotation not working

Question

I\'ve got the following test:

@Test(expected = IllegalStateException.class)
public void testKey() {
    int key = 1;
    this.finder(key);
}

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Answer 1

I had the same problem I just changed my imports statements. I removed :

import org.junit.jupiter.api.Test;

import junit.framework.TestCase;

and added :

import org.junit.Test;

And it worked fine for me.