Check that Travis build fails when tests fail or error.

build.xml

@@ -499,8 +499,7 @@
     </echo>
 
         <!-- use the ant "junit" task to run JUnit tests. -->
-        <junit printsummary="yes" haltonfailure="no" fork="no"
-            haltonerror="no">
+        <junit printsummary="yes" haltonfailure="no" fork="no" haltonerror="no" failureproperty="test.failed">
             <classpath>
                 <pathelement path="${cpath}:${build.dir}/${name}-test.jar:${build.dir}/${name}.jar" />
             </classpath>
@@ -514,6 +513,7 @@
                 </fileset>
             </batchtest>
         </junit>
+        <fail message="Test failure detected, check test results." if="test.failed" />
     </target>
 
     <target name="emlparsertest" depends="jar">

src/test/resources/eml-data-paper.xml

@@ -3,7 +3,7 @@
     xmlns:eml="eml://ecoinformatics.org/eml-2.2.0"
     xmlns:stmml="http://www.xml-cml.org/schema/stmml-1.1"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="eml://ecoinformatics.org/eml-2.2.0 xsd/eml.xsd"
+    xsi:schemaLocation="eml://ecoinformatics.org/eml-2.2.0 eml.xsd"
     packageId="doi:10.18739/A2KK3F" system="https://arcticdata.io">
   <dataset>
     <title>Polaris Project 2017: Permafrost carbon and nitrogen, Yukon-Kuskokwim Delta, Alaska</title>