chore: fix gofmt formatting in test files

Author: tma

internal/modbus/server_test.go

@@ -210,8 +210,8 @@ func buildMBAPRequest(txID uint16, slaveID byte, funcCode byte, address uint16,
 	binary.BigEndian.PutUint16(pdu[3:5], quantity)
 
 	frame := make([]byte, 7+len(pdu))
-	binary.BigEndian.PutUint16(frame[0:2], txID)     // Transaction ID
-	binary.BigEndian.PutUint16(frame[2:4], 0)        // Protocol ID (Modbus = 0)
+	binary.BigEndian.PutUint16(frame[0:2], txID)               // Transaction ID
+	binary.BigEndian.PutUint16(frame[2:4], 0)                  // Protocol ID (Modbus = 0)
 	binary.BigEndian.PutUint16(frame[4:6], uint16(len(pdu)+1)) // Length
 	frame[6] = slaveID
 	copy(frame[7:], pdu)

internal/proxy/proxy_test.go

@@ -63,9 +63,9 @@ func TestProxy_HandleWriteReadOnlyMode(t *testing.T) {
 	logger := slog.New(slog.NewTextHandler(io.Discard, nil))
 
 	tests := []struct {
-		name     string
-		mode     config.ReadOnlyMode
-		wantExc  bool // Whether to expect exception response
+		name    string
+		mode    config.ReadOnlyMode
+		wantExc bool // Whether to expect exception response
 	}{
 		{"readonly on", config.ReadOnlyOn, false},
 		{"readonly deny", config.ReadOnlyDeny, true},
@@ -138,9 +138,9 @@ func TestProxy_BuildFakeWriteResponse(t *testing.T) {
 	p := &Proxy{}
 
 	tests := []struct {
-		name     string
-		req      *modbus.Request
-		wantLen  int
+		name    string
+		req     *modbus.Request
+		wantLen int
 	}{
 		{
 			name: "write single coil",