Added unit test for issue FasterXML#84.

src/test/java/com/fasterxml/jackson/dataformat/xml/unwrapped/TestXmlText.java

@@ -0,0 +1,33 @@
+package com.fasterxml.jackson.dataformat.xml.unwrapped;
+
+import com.fasterxml.jackson.annotation.JsonPropertyOrder;
+import com.fasterxml.jackson.annotation.JsonInclude.Include;
+import com.fasterxml.jackson.databind.SerializationFeature;
+import com.fasterxml.jackson.dataformat.xml.XmlMapper;
+import com.fasterxml.jackson.dataformat.xml.XmlTestBase;
+import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlText;
+
+public class TestXmlText extends XmlTestBase{
+    @JsonPropertyOrder({"first","second"})
+    class Data{
+        @JacksonXmlText
+        public String first;
+        public String second;
+        public Data(String first, String second) {
+            this.first = first;
+            this.second = second;
+        }
+    }
+
+    private final XmlMapper MAPPER = new XmlMapper();
+    { // easier for eye, uncomment for testing
+//        MAPPER.enable(SerializationFeature.INDENT_OUTPUT);
+    }
+
+    public void testXmlTextWithSuppressedValue() throws Exception {
+        MAPPER.setSerializationInclusion(Include.NON_EMPTY);
+        String xml = MAPPER.writeValueAsString(new Data("","second"));
+        String expectedXml = "<Data><second>second</second></Data>";
+        assertEquals(expectedXml, xml);
+    }
+}