[test] add tests with QName options

eXist-db specific extensions to serialization options can also be set using the
QName instead of plain strings.
Add one test per option using the non-default value.

exist-core/src/test/xquery/xquery3/serialize.xql

@@ -671,6 +671,13 @@ function ser:exist-output-doctype-true() {
  map { "exist:output-doctype": true() })
 };
 
+declare
+ %test:assertXPath("contains($result, '-//OASIS//DTD DITA BookMap//EN') and contains($result, 'bookmap.dtd')")
+function ser:exist-output-doctype-true-QName() {
+ serialize(doc($ser:collection || "/test-with-doctype.xml"),
+ map { xs:QName("exist:output-doctype"): true() })
+};
+
 declare
  %test:assertXPath("not(contains($result, '-//OASIS//DTD DITA BookMap//EN')) and not(contains($result, 'bookmap.dtd'))")
 function ser:exist-output-doctype-false() {
@@ -692,13 +699,27 @@ function ser:exist-expand-xinclude-true() {
  map { "exist:expand-xincludes": true() })
 };
 
+declare
+ %test:assertXPath("contains($result, 'comment')")
+function ser:exist-expand-xinclude-true-QName() {
+ serialize($ser:xi-doc,
+ map { xs:QName("exist:expand-xincludes"): true() })
+};
+
 declare
  %test:assertEquals('<?pi?><elem xmlns:exist="http://exist.sourceforge.net/NS/exist" exist:id="2" exist:source="test.xml" a="abc"><!--comment--><b exist:id="2.3">123</b></elem>')
 function ser:exist-add-exist-id-all() {
  serialize(doc($ser:collection || "/test.xml"),
  map { "exist:add-exist-id": "all" })
 };
 
+declare
+ %test:assertEquals('<?pi?><elem xmlns:exist="http://exist.sourceforge.net/NS/exist" exist:id="2" exist:source="test.xml" a="abc"><!--comment--><b exist:id="2.3">123</b></elem>')
+function ser:exist-add-exist-id-all-QName() {
+ serialize(doc($ser:collection || "/test.xml"),
+ map { xs:QName("exist:add-exist-id"): "all" })
+};
+
 declare
  %test:assertEquals('<?pi?><elem xmlns:exist="http://exist.sourceforge.net/NS/exist" exist:id="2" exist:source="test.xml" a="abc"><!--comment--><b>123</b></elem>')
 function ser:exist-add-exist-id-element() {
@@ -729,13 +750,36 @@ function ser:exist-jsonp() {
  )
 };
 
+declare
+ %test:assertEquals('functionName({"author":["John Doe","Robert Smith"]})')
+function ser:exist-jsonp-QName() {
+ serialize(
+ <book>
+ <author>John Doe</author>
+ <author>Robert Smith</author>
+ </book>,
+ map {
+ "method": "json",
+ "media-type": "application/json",
+ xs:QName("exist:jsonp"): "functionName"
+ }
+ )
+};
+
 declare
  %test:assertEquals('processed')
 function ser:exist-process-xsl-pi-true() {
  serialize(doc($ser:collection || "/test-xsl.xml"),
  map { "exist:process-xsl-pi": true() })
 };
 
+declare
+ %test:assertEquals('processed')
+function ser:exist-process-xsl-pi-true-QName() {
+ serialize(doc($ser:collection || "/test-xsl.xml"),
+ map { xs:QName("exist:process-xsl-pi"): true() })
+};
+
 declare
  %test:assertXPath("contains($result, 'stylesheet')")
 function ser:exist-process-xsl-pi-false() {