De-flake Base64Test by removing dependence on field ordering

Author: lbh930

src/test/java/net/openhft/chronicle/wire/converter/Base64Test.java

@@ -68,7 +68,13 @@ public void onAnField() {
                 "...\n";
 
         // Validate the wire's output against the expected output
-        assertEquals(expected, wire.toString());
+        java.util.function.Function<String, String> clean = s -> java.util.Arrays.stream(s.split("\n"))
+                .map(l -> l.trim().replaceAll(",$", ""))
+                .filter(l -> !l.isEmpty() && !l.equals("...") && !l.equals("}") && !l.equals("send: {"))
+                .sorted()
+                .collect(java.util.stream.Collectors.joining("\n"));
+
+        assertEquals(clean.apply(expected), clean.apply(wire.toString()));
 
         // Create another YAML wire for reading the encoded data
         Wire wire2 = Wire.newYamlWireOnHeap();
@@ -79,7 +85,7 @@ public void onAnField() {
             assertEquals(i < 5, reader.readOne());
 
         // Ensure the read wire's content matches the expected output
-        assertEquals(expected, wire2.toString());
+        assertEquals(clean.apply(expected), clean.apply(wire2.toString()));
     }
 
     /**