diff --git a/serverspec/kafka/confluent.rb b/serverspec/kafka/confluent.rb
index e5e35f302..4912fdcea 100644
--- a/serverspec/kafka/confluent.rb
+++ b/serverspec/kafka/confluent.rb
@@ -2,32 +2,32 @@
 require "rdkafka"
 
 if ["redhat", "amazon", "debian"].include?(os[:family])
-describe "rdkafka" do
-  it "can receive message via Rdkafka client" do
-    config = {
-      "bootstrap.servers": "localhost:9092",
-      "group.id": "test"
-    }
-    consumer = Rdkafka::Config.new(config).consumer
-    consumer.subscribe("test")
+  describe "rdkafka" do
+    it "can receive message via Rdkafka client" do
+      config = {
+        "bootstrap.servers": "localhost:9092",
+        "group.id": "test"
+      }
+      consumer = Rdkafka::Config.new(config).consumer
+      consumer.subscribe("test")
 
-    wait_for_consumer_assignment(consumer)
+      wait_for_consumer_assignment(consumer)
 
-    `echo "Hello, rdkafka" | /usr/bin/kafka-console-producer --broker-list localhost:9092 --topic test`
+      `echo "Hello, rdkafka" | /usr/bin/kafka-console-producer --broker-list localhost:9092 --topic test`
 
-    message = consumer.each { |message| break message }
-    expect(message.payload).to eq "Hello, rdkafka"
+      message = consumer.each { |message| break message }
+      expect(message.payload).to eq "Hello, rdkafka"
+    end
   end
-end
 
-describe "fluent-plugin-kafka" do
-  it "can receive message via fluent-plugin-kafka" do
-    `echo "Hello, fluent-plugin-kafka" | /usr/bin/kafka-console-producer --broker-list localhost:9092 --topic test`
-    Dir.glob("/tmp/log/td-agent/*.log") do |path|
-      File.open(path) do |file|
-        expect(JSON.parse(file.readlines.last)["message"]).to eq "Hello, fluent-plugin-kafka"
+  describe "fluent-plugin-kafka" do
+    it "can receive message via fluent-plugin-kafka" do
+      `echo "Hello, fluent-plugin-kafka" | /usr/bin/kafka-console-producer --broker-list localhost:9092 --topic test`
+      Dir.glob("/tmp/log/td-agent/*.log") do |path|
+        File.open(path) do |file|
+          expect(JSON.parse(file.readlines.last)["message"]).to eq "Hello, fluent-plugin-kafka"
+        end
       end
     end
   end
 end
-end