Pare down skipped tests

Signed-off-by: Sunjay Bhatia <sunjayb@vmware.com>

test/conformance/gatewayapi/gateway_conformance_test.go

@@ -60,13 +60,15 @@ func TestGatewayConformance(t *testing.T) {
 		// Keep the list of skipped features in sync with
 		// test/scripts/run-gateway-conformance.sh.
 		SkipTests: []string{
-			// These are skipped because the tests check for the
-			// original request port in the returned Location
+			// Test adds multiple HTTP Listeners to the Gateway with
+			// distinct ports. This is not supported in Contour until
+			// multi-Listener support is added.
+			// See: https://github.com/projectcontour/contour/issues/4960
+			tests.GatewayObservedGenerationBump.ShortName,
+			// Checks for the original request port in the returned Location
 			// header which Envoy is stripping.
 			// See: https://github.com/envoyproxy/envoy/issues/17318
-			"HTTPRouteRedirectHostAndStatus",
-			"HTTPRouteRedirectPath",
-			"HTTPRouteRedirectScheme",
+			tests.HTTPRouteRedirectPortAndScheme.ShortName,
 		},
 		ExemptFeatures: sets.New(
 			suite.SupportMesh,