Throw exception from user code in SpringFailOnTimeout even if a timeout occurs

Issue: SPR-16717

spring-test/src/test/java/org/springframework/test/context/junit4/spr16716/SpringFailOnTimeoutExceptionTest.java

@@ -0,0 +1,45 @@
+package org.springframework.test.context.junit4.spr16716;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.model.Statement;
+import org.mockito.Mock;
+import org.mockito.junit.MockitoJUnitRunner;
+import org.mockito.stubbing.Answer;
+import org.springframework.test.context.junit4.statements.SpringFailOnTimeout;
+
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
+
+import static org.mockito.Mockito.doAnswer;
+import static org.mockito.Mockito.doThrow;
+
+/**
+ * Validate SpringFailOnTimeout contract
+ * <a href="https://jira.spring.io/browse/SPR-16716" target="_blank">SPR-16716</a>.
+ *
+ * @author Igor Suhorukov
+ * @since 5.0.6
+ */
+@RunWith(MockitoJUnitRunner.class)
+public class SpringFailOnTimeoutExceptionTest {
+
+	@Mock
+	private Statement statement;
+
+	@Test(expected = IllegalArgumentException.class)
+	public void validateOriginalExceptionFromEvaluateMethod() throws Throwable {
+		IllegalArgumentException expectedException = new IllegalArgumentException();
+		doThrow(expectedException).when(statement).evaluate();
+		new SpringFailOnTimeout(statement, TimeUnit.SECONDS.toMillis(1)).evaluate();
+	}
+
+	@Test(expected = TimeoutException.class)
+	public void validateTimeoutException() throws Throwable {
+		doAnswer((Answer<Void>) invocation -> {
+			TimeUnit.MILLISECONDS.sleep(50);
+			return null;
+		}).when(statement).evaluate();
+		new SpringFailOnTimeout(statement, TimeUnit.MILLISECONDS.toMillis(1)).evaluate();
+	}
+}