Add new test (#889)

Author: mk-mxp

exercises/practice/protein-translation/.meta/tests.toml

@@ -87,6 +87,9 @@ 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"
 include = false

exercises/practice/protein-translation/ProteinTranslationTest.php

@@ -256,6 +256,18 @@ public function testTranslationStopsIfStopCodonInMiddleOfSixCodonSequence(): voi
         );
     }
 
+    /**
+     * uuid f6f92714-769f-4187-9524-e353e8a41a80
+     * @testdox Sequence of two non-STOP codons does not translate to a STOP codon
+     */
+    public function testSequenceOfTwoNonStopCodonsDoesNotTranslateToAStopCodon(): void
+    {
+        $this->assertEquals(
+            ['Methionine', 'Methionine'],
+            $this->translator->getProteins('AUGAUG')
+        );
+    }
+
     /**
      * uuid 9eac93f3-627a-4c90-8653-6d0a0595bc6f
      * @testdox Unknown amino acids, not part of a codon, can't translate