Stop setting local port in HtmlUnitRequestBuilder

This commit picks up where commit a0baeae left off.

Specifically, in order to align with the behavior of
AbstractMockHttpServletRequestBuilder, HtmlUnitRequestBuilder no longer
sets the local port in the MockHttpServletRequest.

See gh-35709

Author: sbrannen

spring-test/src/main/java/org/springframework/test/web/servlet/htmlunit/HtmlUnitRequestBuilder.java

@@ -216,7 +216,6 @@ private void ports(UriComponents uriComponents, MockHttpServletRequest request)
 		}
 		if (serverPort != -1) {
 			request.setServerPort(serverPort);
-			request.setLocalPort(serverPort);
 		}
 	}
 

spring-test/src/test/java/org/springframework/test/web/servlet/htmlunit/HtmlUnitRequestBuilderTests.java

@@ -897,11 +897,12 @@ private String getContextPath() {
 	private static void assertUrlAndPorts(HttpServletRequest request, String url, int serverPort, boolean secure) {
 		assertThat(request.getRequestURL()).asString().as("url").isEqualTo(url);
 		assertThat(request.getServerPort()).as("server port").isEqualTo(serverPort);
-		// In a mocked request, the local port is always the same as the server port.
-		assertThat(request.getLocalPort()).as("local port").isEqualTo(serverPort);
-		// Remote port is always 80 (MockHttpServletRequest.DEFAULT_SERVER_PORT),
+		// Local port is always MockHttpServletRequest.DEFAULT_SERVER_PORT,
+		// since a mocked request does not influence the local port.
+		assertThat(request.getLocalPort()).as("local port").isEqualTo(MockHttpServletRequest.DEFAULT_SERVER_PORT);
+		// Remote port is always MockHttpServletRequest.DEFAULT_SERVER_PORT,
 		// since a mocked request does not influence the remote host, port, or address.
-		assertThat(request.getRemotePort()).as("remote port").isEqualTo(80);
+		assertThat(request.getRemotePort()).as("remote port").isEqualTo(MockHttpServletRequest.DEFAULT_SERVER_PORT);
 
 		if (secure) {
 			assertThat(request.isSecure()).as("secure").isTrue();