Add more weird chrono::duration stringification tests
diff --git a/projects/SelfTest/Baselines/xml.sw.approved.txt b/projects/SelfTest/Baselines/xml.sw.approved.txt
index 4ae2e01..be6c4f3 100644
--- a/projects/SelfTest/Baselines/xml.sw.approved.txt
+++ b/projects/SelfTest/Baselines/xml.sw.approved.txt
@@ -5878,6 +5878,14 @@
           1 [30/1]s != 1 fs
         </Expanded>
       </Expression>
+      <Expression success="true" type="REQUIRE" filename="projects/<exe-name>/UsageTests/ToStringChrono.tests.cpp" >
+        <Original>
+          pico_second != atto_second
+        </Original>
+        <Expanded>
+          1 ps != 1 as
+        </Expanded>
+      </Expression>
       <OverallResult success="true"/>
     </TestCase>
     <TestCase name="Stringifying std::chrono::time_point&lt;system_clock>" tags="[chrono][toString]" filename="projects/<exe-name>/UsageTests/ToStringChrono.tests.cpp" >
@@ -8889,7 +8897,7 @@
       </Section>
       <OverallResult success="true"/>
     </TestCase>
-    <OverallResults successes="826" failures="107" expectedFailures="21"/>
+    <OverallResults successes="827" failures="107" expectedFailures="21"/>
   </Group>
-  <OverallResults successes="826" failures="106" expectedFailures="21"/>
+  <OverallResults successes="827" failures="106" expectedFailures="21"/>
 </Catch>