diff --git a/repos/cache/src/commonTest/kotlin/full/FullCRUDCacheRepoTests.kt b/repos/cache/src/commonTest/kotlin/full/FullCRUDCacheRepoTests.kt
index b76b6f77481..358294c81eb 100644
--- a/repos/cache/src/commonTest/kotlin/full/FullCRUDCacheRepoTests.kt
+++ b/repos/cache/src/commonTest/kotlin/full/FullCRUDCacheRepoTests.kt
@@ -23,10 +23,10 @@ class FullCRUDCacheRepoTests {
     @Test
     fun creatingWorksProperly() = runTest {
         val testData = (0 until 1000).map {
-            (it.toString() + uuid4().toString())
+            ("$it-" + uuid4().toString())
         }
         val updatedTestData = (0 until 1000).map {
-            (it.toString() + uuid4().toString())
+            ("$it-" + uuid4().toString())
         }
         val kvCache = MapKeyValueRepo<String, Registered>()
         val crudRepo = MapCRUDRepo<Registered, String, New>(
diff --git a/repos/cache/src/commonTest/kotlin/full/FullKeyValueCacheRepoTests.kt b/repos/cache/src/commonTest/kotlin/full/FullKeyValueCacheRepoTests.kt
index 8a541608811..0080570b439 100644
--- a/repos/cache/src/commonTest/kotlin/full/FullKeyValueCacheRepoTests.kt
+++ b/repos/cache/src/commonTest/kotlin/full/FullKeyValueCacheRepoTests.kt
@@ -13,10 +13,10 @@ class FullKeyValueCacheRepoTests {
     @Test
     fun creatingWorksProperly() = runTest {
         val testData = (0 until 1000).associate {
-            (it.toString() + uuid4().toString()) to uuid4().toString()
+            ("$it-" + uuid4().toString()) to "$it-" + uuid4().toString()
         }
         val updatedTestData = testData.keys.associateWith {
-            uuid4().toString()
+            "$it-" + uuid4().toString()
         }
         val kvCache = MapKeyValueRepo<String, String>()
         val kvRepo = MapKeyValueRepo<String, String>()
diff --git a/repos/cache/src/commonTest/kotlin/full/FullKeyValuesCacheRepoTests.kt b/repos/cache/src/commonTest/kotlin/full/FullKeyValuesCacheRepoTests.kt
index ce37c92233d..4a83b6874e0 100644
--- a/repos/cache/src/commonTest/kotlin/full/FullKeyValuesCacheRepoTests.kt
+++ b/repos/cache/src/commonTest/kotlin/full/FullKeyValuesCacheRepoTests.kt
@@ -12,17 +12,17 @@ class FullKeyValuesCacheRepoTests {
     @Test
     fun creatingWorksProperly() = runTest(timeout = 1.days) {
         val testData = (0 until 1000).associate {
-            (it.toString() + uuid4().toString()) to (0 until 1000).map {
-                uuid4().toString()
+            ("$it-" + uuid4().toString()) to (0 until 1000).map {
+                "$it-" + uuid4().toString()
             }.sorted()
         }
         val updatedTestData = testData.keys.associateWith {
             (0 until 1000).map {
-                uuid4().toString()
+                "$it-" + uuid4().toString()
             }.sorted()
         }
         val addedData = testData.keys.associateWith {
-            uuid4().toString()
+            "$it-" + uuid4().toString()
         }
         val kvCache = MapKeyValueRepo<String, List<String>>()
         val kvRepo = MapKeyValuesRepo<String, String>()