diff --git a/firebase-ai/src/test/java/com/google/firebase/ai/util/tests.kt b/firebase-ai/src/test/java/com/google/firebase/ai/util/tests.kt
index 4c325faa884..dff254b7adf 100644
--- a/firebase-ai/src/test/java/com/google/firebase/ai/util/tests.kt
+++ b/firebase-ai/src/test/java/com/google/firebase/ai/util/tests.kt
@@ -210,15 +210,16 @@ internal fun goldenUnaryFile(
   httpStatusCode: HttpStatusCode = HttpStatusCode.OK,
   backend: GenerativeBackend = GenerativeBackend.vertexAI(),
   block: CommonTest,
-) =
+) = doBlocking {
   commonTest(httpStatusCode, backend = backend) {
     val goldenFile = loadGoldenFile(name)
     val message = goldenFile.readText()
 
-    channel.send(message.toByteArray())
+    launch { channel.send(message.toByteArray()) }
 
     block()
   }
+}
 
 /**
  * A variant of [goldenUnaryFile] for vertexai tests Loads the *Golden File* and automatically
diff --git a/firebase-vertexai/src/test/java/com/google/firebase/vertexai/util/tests.kt b/firebase-vertexai/src/test/java/com/google/firebase/vertexai/util/tests.kt
index 6af4339dbb4..3640821771e 100644
--- a/firebase-vertexai/src/test/java/com/google/firebase/vertexai/util/tests.kt
+++ b/firebase-vertexai/src/test/java/com/google/firebase/vertexai/util/tests.kt
@@ -189,15 +189,16 @@ internal fun goldenUnaryFile(
   name: String,
   httpStatusCode: HttpStatusCode = HttpStatusCode.OK,
   block: CommonTest,
-) =
+) = doBlocking {
   commonTest(httpStatusCode) {
     val goldenFile = loadGoldenFile(name)
     val message = goldenFile.readText()
 
-    channel.send(message.toByteArray())
+    launch { channel.send(message.toByteArray()) }
 
     block()
   }
+}
 
 /**
  * A variant of [goldenUnaryFile] for vertexai tests Loads the *Golden File* and automatically