Sync tests for roman-numerals (#420)

[no important files changed]

Author: BNAndras

exercises/practice/roman-numerals/.meta/tests.toml

@@ -84,5 +84,8 @@ description = "3000 is MMM"
 [3bc4b41c-c2e6-49d9-9142-420691504336]
 description = "3001 is MMMI"
 
+[2f89cad7-73f6-4d1b-857b-0ef531f68b7e]
+description = "3888 is MMMDCCCLXXXVIII"
+
 [4e18e96b-5fbb-43df-a91b-9cb511fe0856]
 description = "3999 is MMMCMXCIX"

exercises/practice/roman-numerals/roman-numerals-test.rkt

@@ -110,6 +110,10 @@
                    (to-roman 3001)
                    "MMMI")
 
+     (test-equal? "3888 is MMMDCCCLXXXVIII"
+                   (to-roman 3888)
+                   "MMMDCCCLXXXVIII")
+
      (test-equal? "3999 is MMMCMXCIX"
                    (to-roman 3999)
                    "MMMCMXCIX")))