diff --git a/exercises/concept/freelancer-rates/.meta/exemplar.cpp b/exercises/concept/freelancer-rates/.meta/exemplar.cpp
index 89d8bc823..590133012 100644
--- a/exercises/concept/freelancer-rates/.meta/exemplar.cpp
+++ b/exercises/concept/freelancer-rates/.meta/exemplar.cpp
@@ -19,9 +19,8 @@ int monthly_rate(double hourly_rate, double discount) {
     int workdays_per_month{22};
     double per_month{per_day * workdays_per_month};
     double after_discount{apply_discount(per_month, discount)};
-    int rounded_up{std::ceil(after_discount)};
-
-    return rounded_up;
+    // Round up with std::ceil
+    return std::ceil(after_discount);
 }
 
 // days_in_budget calculates the number of workdays given a budget, hourly rate,
diff --git a/exercises/practice/protein-translation/.meta/tests.toml b/exercises/practice/protein-translation/.meta/tests.toml
index 02a54c344..de680e39e 100644
--- a/exercises/practice/protein-translation/.meta/tests.toml
+++ b/exercises/practice/protein-translation/.meta/tests.toml
@@ -1,6 +1,16 @@
-# This is an auto-generated file. Regular comments will be removed when this
-# file is regenerated. Regenerating will not touch any manually added keys,
-# so comments can be added in a "comment" key.
+# This is an auto-generated file.
+#
+# Regenerating this file via `configlet sync` will:
+# - Recreate every `description` key/value pair
+# - Recreate every `reimplements` key/value pair, where they exist in problem-specifications
+# - Remove any `include = true` key/value pair (an omitted `include` key implies inclusion)
+# - Preserve any other key/value pair
+#
+# As user-added comments (using the # character) will be removed when this file
+# is regenerated, comments can be added via a `comment` key.
+
+[2c44f7bf-ba20-43f7-a3bf-f2219c0c3f98]
+description = "Empty RNA sequence results in no proteins"
 
 [96d3d44f-34a2-4db4-84cd-fff523e069be]
 description = "Methionine RNA sequence"
@@ -53,6 +63,12 @@ description = "STOP codon RNA sequence 2"
 [9c2ad527-ebc9-4ace-808b-2b6447cb54cb]
 description = "STOP codon RNA sequence 3"
 
+[f4d9d8ee-00a8-47bf-a1e3-1641d4428e54]
+description = "Sequence of two protein codons translates into proteins"
+
+[dd22eef3-b4f1-4ad6-bb0b-27093c090a9d]
+description = "Sequence of two different protein codons translates into proteins"
+
 [d0f295df-fb70-425c-946c-ec2ec185388e]
 description = "Translate RNA strand into correct protein list"
 
@@ -70,3 +86,20 @@ 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
+
+[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"
+
+[43945cf7-9968-402d-ab9f-b8a28750b050]
+description = "Incomplete RNA sequence can translate if valid until a STOP codon"
diff --git a/exercises/practice/protein-translation/protein_translation_test.cpp b/exercises/practice/protein-translation/protein_translation_test.cpp
index a6d6ab0bc..32e10f02d 100644
--- a/exercises/practice/protein-translation/protein_translation_test.cpp
+++ b/exercises/practice/protein-translation/protein_translation_test.cpp
@@ -9,15 +9,17 @@
 
 using namespace std;
 
-// Secret-handshake exercise test case data version 1.2.1
+TEST_CASE("Empty RNA sequence results in no proteins", "[2c44f7bf-ba20-43f7-a3bf-f2219c0c3f98]") {
+    REQUIRE(vector<string>{} == protein_translation::proteins(""));
+}
+
+#if defined(EXERCISM_RUN_ALL_TESTS)
 
-TEST_CASE("Methionine_RNA_sequence")
+TEST_CASE("Methionine RNA sequence", "[96d3d44f-34a2-4db4-84cd-fff523e069be]")
 {
     REQUIRE(vector<string>{"Methionine"} == protein_translation::proteins("AUG"));
 }
 
-#if defined(EXERCISM_RUN_ALL_TESTS)
-
 TEST_CASE("Phenylalanine_RNA_sequence_1")
 {
     REQUIRE(vector<string>{"Phenylalanine"} == protein_translation::proteins("UUU"));