diff --git a/exercises/practice/protein-translation/.meta/tests.toml b/exercises/practice/protein-translation/.meta/tests.toml
index 5fb189070..b465aed23 100644
--- a/exercises/practice/protein-translation/.meta/tests.toml
+++ b/exercises/practice/protein-translation/.meta/tests.toml
@@ -87,11 +87,15 @@ description = "Translation stops if STOP codon in middle of three-codon sequence
 [2c2a2a60-401f-4a80-b977-e0715b23b93d]
 description = "Translation stops if STOP codon in middle of six-codon sequence"
 
+[f6f92714-769f-4187-9524-e353e8a41a80]
+description = "Sequence of two non-STOP codons does not translate to a STOP codon"
+
 [1e75ea2a-f907-4994-ae5c-118632a1cb0f]
 description = "Non-existing codon can't translate"
 
 [9eac93f3-627a-4c90-8653-6d0a0595bc6f]
 description = "Unknown amino acids, not part of a codon, can't translate"
+reimplements = "1e75ea2a-f907-4994-ae5c-118632a1cb0f"
 
 [9d73899f-e68e-4291-b1e2-7bf87c00f024]
 description = "Incomplete RNA sequence can't translate"
diff --git a/exercises/practice/protein-translation/protein-translation.test.ts b/exercises/practice/protein-translation/protein-translation.test.ts
index 6bb71e9cc..a165ff6e7 100644
--- a/exercises/practice/protein-translation/protein-translation.test.ts
+++ b/exercises/practice/protein-translation/protein-translation.test.ts
@@ -127,10 +127,9 @@ describe('Translate input RNA sequences into proteins', () => {
     expect(translate('UGGUGUUAUUAAUGGUUU')).toEqual(expected)
   })
 
-  xit("Non-existing codon can't translate", () => {
-    expect(() => {
-      translate('AAA')
-    }).toThrow('Invalid codon')
+  xit('Sequence of two non-STOP codons does not translate to a STOP codon', () => {
+    const expected = ['Methionine', 'Methionine']
+    expect(translate('AUGAUG')).toEqual(expected)
   })
 
   xit("Unknown amino acids, not part of a codon, can't translate", () => {