chore: execute goimports to format the code (#7983)

* chore: execute goimports to format the code

Signed-off-by: promalert <promalert@outlook.com>

* goimports -w .

---------

Signed-off-by: promalert <promalert@outlook.com>
Co-authored-by: Chris Lu <chris.lu@gmail.com>

test/kafka/unit/gateway_test.go

@@ -16,7 +16,7 @@ func TestGatewayBasicFunctionality(t *testing.T) {
 	defer gateway.CleanupAndClose()
 
 	addr := gateway.StartAndWait()
-	
+
 	// Give the gateway a bit more time to be fully ready
 	time.Sleep(200 * time.Millisecond)
 
@@ -32,17 +32,17 @@ func TestGatewayBasicFunctionality(t *testing.T) {
 func testGatewayAcceptsConnections(t *testing.T, addr string) {
 	// Test basic TCP connection to gateway
 	t.Logf("Testing connection to gateway at %s", addr)
-	
+
 	conn, err := net.DialTimeout("tcp", addr, 5*time.Second)
 	if err != nil {
 		t.Fatalf("Failed to connect to gateway: %v", err)
 	}
 	defer conn.Close()
-	
+
 	// Test that we can establish a connection and the gateway is listening
 	// We don't need to send a full Kafka request for this basic test
 	t.Logf("Successfully connected to gateway at %s", addr)
-	
+
 	// Optional: Test that we can write some data without error
 	testData := []byte("test")
 	conn.SetWriteDeadline(time.Now().Add(1 * time.Second))
@@ -57,19 +57,19 @@ func testGatewayRefusesAfterClose(t *testing.T, gateway *testutil.GatewayTestSer
 	// Get the address from the gateway's listener
 	host, port := gateway.GetListenerAddr()
 	addr := fmt.Sprintf("%s:%d", host, port)
-	
+
 	// Close the gateway
 	gateway.CleanupAndClose()
-	
+
 	t.Log("Testing that gateway refuses connections after close")
-	
+
 	// Attempt to connect - should fail
 	conn, err := net.DialTimeout("tcp", addr, 2*time.Second)
 	if err == nil {
 		conn.Close()
 		t.Fatal("Expected connection to fail after gateway close, but it succeeded")
 	}
-	
+
 	// Verify it's a connection refused error
 	if !strings.Contains(err.Error(), "connection refused") && !strings.Contains(err.Error(), "connect: connection refused") {
 		t.Logf("Connection failed as expected with error: %v", err)