Polishing web socket test to use BDD Mockito

Author: philwebb

spring-websocket/src/test/java/org/springframework/web/socket/server/support/WebSocketHttpRequestHandlerTests.java

@@ -35,7 +35,7 @@
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
 import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.BDDMockito.when;
+import static org.mockito.BDDMockito.given;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.verifyNoMoreInteractions;
@@ -70,8 +70,8 @@ public void failure() {
 		TestInterceptor interceptor = new TestInterceptor(true);
 		this.requestHandler.setHandshakeInterceptors(Collections.singletonList(interceptor));
 
-		when(this.handshakeHandler.doHandshake(any(), any(), any(), any()))
-				.thenThrow(new IllegalStateException("bad state"));
+		given(this.handshakeHandler.doHandshake(any(), any(), any(), any()))
+				.willThrow(new IllegalStateException("bad state"));
 
 		assertThatThrownBy(() -> this.requestHandler.handleRequest(new MockHttpServletRequest(), this.response))
 				.isInstanceOf(HandshakeFailureException.class)