Index: trunk/test/unit/org/openstreetmap/josm/io/ValidatorErrorWriterTest.java
===================================================================
--- trunk/test/unit/org/openstreetmap/josm/io/ValidatorErrorWriterTest.java	(revision 17991)
+++ trunk/test/unit/org/openstreetmap/josm/io/ValidatorErrorWriterTest.java	(revision 17992)
@@ -10,4 +10,5 @@
 import java.util.Collection;
 import java.util.Collections;
+import java.util.Locale;
 
 import org.junit.jupiter.api.Test;
@@ -41,4 +42,5 @@
     @Test
     void testErrors() throws IOException {
+        Locale.setDefault(Locale.ENGLISH);
         doTest(Arrays.asList(TestError.builder(new RightAngleBuildingTest(), Severity.OTHER, 3701)
                 .message("Building with an almost square angle")
@@ -46,10 +48,10 @@
                   "  <analyser timestamp='\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}:\\d{2}\\.\\d{3}Z' name='Almost right angle buildings'>"
                 + "    <class id='1' level='3'>"
-                + "      <classtext lang='fr' title='Building with an almost square angle'/>"
+                + "      <classtext lang='en' title='Building with an almost square angle'/>"
                 + "    </class>"
                 + "    <error class='1'>"
                 + "      <location lat='90\\.0' lon='0\\.0'/>"
                 + "      <node id='-1' visible='true' lat='90\\.0' lon='0\\.0' />"
-                + "      <text lang='fr' value='null'/>"
+                + "      <text lang='en' value='null'/>"
                 + "    </error>"
                 + "  </analyser>");