fixup protocol test to require URI path label

Author: jasdel

models/protocol_tests/input/rest-xml.json

@@ -1754,6 +1754,9 @@
     "shapes": {
       "InputShape": {
         "type": "structure",
+        "required": [
+            "URIFooEnum"
+        ],
         "members": {
           "HeaderEnum": {
             "shape": "EnumType",
@@ -1824,14 +1827,15 @@
           },
           "http": {
             "method": "POST",
-            "requestUri": "/path"
+            "requestUri": "/Enum/{URIEnum}"
           },
           "name": "OperationName"
         },
         "params": {
+          "URIFooEnum": "bar"
         },
         "serialized": {
-          "uri": "/path",
+          "uri": "/Enum/bar",
           "headers": {}
         }
       }

private/protocol/restxml/build_test.go

@@ -5383,7 +5383,7 @@ func (c *InputService25ProtocolTest) InputService25TestCaseOperation2Request(inp
 	op := &request.Operation{
 		Name:       opInputService25TestCaseOperation2,
 		HTTPMethod: "POST",
-		HTTPPath:   "/path",
+		HTTPPath:   "/Enum/{URIEnum}",
 	}
 
 	if input == nil {
@@ -7008,7 +7008,9 @@ func TestInputService25ProtocolTestEnumCase1(t *testing.T) {
 
 func TestInputService25ProtocolTestEnumCase2(t *testing.T) {
 	svc := NewInputService25ProtocolTest(unit.Session, &aws.Config{Endpoint: aws.String("https://test")})
-	input := &InputService25TestShapeInputService25TestCaseOperation2Input{}
+	input := &InputService25TestShapeInputService25TestCaseOperation2Input{
+		URIFooEnum: aws.String("bar"),
+	}
 	req, _ := svc.InputService25TestCaseOperation2Request(input)
 	r := req.HTTPRequest
 
@@ -7019,7 +7021,7 @@ func TestInputService25ProtocolTestEnumCase2(t *testing.T) {
 	}
 
 	// assert URL
-	awstesting.AssertURL(t, "https://test/path", r.URL.String())
+	awstesting.AssertURL(t, "https://test/Enum/bar", r.URL.String())
 
 	// assert headers