Swap the methods some examples / tests are using

Bytes-backed slices need to use _into() as the data may need to be
decoded.

tests/test.rs

@@ -100,7 +100,7 @@ fn test_issue94() {
     let mut reader = Reader::from_reader(&data[..]);
     reader.trim_text(true);
     loop {
-        match reader.read_event() {
+        match reader.read_event_into(&mut Vec::new()) {
             Ok(Eof) | Err(..) => break,
             _ => (),
         }

tests/xmlrs_reader_tests.rs

@@ -373,7 +373,7 @@ fn test_bytes(input: &[u8], output: &[u8], trim: bool) {
 
     let mut decoder = reader.decoder();
     loop {
-        let line = match reader.read_resolved_event() {
+        let line = match reader.read_resolved_event_into(&mut Vec::new()) {
             Ok((_, Event::Decl(e))) => {
                 // Declaration could change decoder
                 decoder = reader.decoder();