Index: /trunk/test/unit/org/openstreetmap/josm/TestUtils.java
===================================================================
--- /trunk/test/unit/org/openstreetmap/josm/TestUtils.java	(revision 18554)
+++ /trunk/test/unit/org/openstreetmap/josm/TestUtils.java	(revision 18555)
@@ -2,4 +2,5 @@
 package org.openstreetmap.josm;
 
+import static org.junit.jupiter.api.Assertions.assertAll;
 import static org.junit.jupiter.api.Assertions.assertArrayEquals;
 import static org.junit.jupiter.api.Assertions.assertEquals;
@@ -601,5 +602,9 @@
      */
     public static void assertEqualsNewline(String expected, String actual) {
-        assertEquals(expected, actual.replace(System.lineSeparator(), "\n"));
+        String[] actualArray = actual.split(System.lineSeparator(), -1);
+        String[] expectedArray = expected.split("\n", -1);
+        assertAll(() -> assertEquals(expectedArray.length, actualArray.length, "Different number of newlines"),
+                () -> assertArrayEquals(expectedArray, actualArray),
+                () -> assertEquals(expected, actual.replace(System.lineSeparator(), "\n")));
     }
 
Index: /trunk/test/unit/org/openstreetmap/josm/gui/dialogs/InspectPrimitiveDialogTest.java
===================================================================
--- /trunk/test/unit/org/openstreetmap/josm/gui/dialogs/InspectPrimitiveDialogTest.java	(revision 18554)
+++ /trunk/test/unit/org/openstreetmap/josm/gui/dialogs/InspectPrimitiveDialogTest.java	(revision 18555)
@@ -35,5 +35,5 @@
     @RegisterExtension
     @SuppressFBWarnings(value = "URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD")
-    public JOSMTestRules test = new JOSMTestRules().main().projection().mapStyles();
+    static JOSMTestRules test = new JOSMTestRules().main().projection().mapStyles();
 
     /**
@@ -95,4 +95,6 @@
                 "  Centroid: 47.2686049, 11.3909649\n" +
                 "  Length: 193.3 m\n" +
+                "  Average segment length: 48.3 m\n" +
+                "  Standard deviation: 27.5 m\n" +
                 "  5 Nodes: \n" +
                 "    2\n" +