.classpath

<?xml version="1.0" encoding="UTF-8"?>
<classpath>
	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
	<classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/4"/>
	<classpathentry kind="src" path="src"/>
	<classpathentry kind="src" path="test"/>
	<classpathentry kind="output" path="bin"/>
</classpath>

TestOne.java

import static org.junit.Assert.assertTrue;

import org.junit.*;

public class TestOne {
    
    @Test
    public void test1() {
        assertTrue(true);
    }
}