diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f7beaa4..b8880b5 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -10,6 +10,7 @@ all_tests:
     - echo $PATH
     - make -f test/lora32/Makefile defconfig all
     - npm install --unsafe-perm
+    - npm rebuild
     - npm test
   artifacts:
     paths:
diff --git a/README.md b/README.md
index bc0478c..d63b784 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@ This is the most basic usage. Setting up the LoRa instance, setting it's receive
 
   lora32_init(&lora);
 
-  lora32_send(&lora, "Hello, LoRa", 10);
+  lora32_send(&lora, "Hello, LoRa", 11);
 
 ```
 
diff --git a/package.json b/package.json
index 443c29c..6f76c03 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,12 @@
   },
   "dependencies": {
     "async": "^2.6.1",
+    "esptool-wrapper": "^1.0.4",
     "serialport": "^6.2.2",
-    "tape": "^4.9.1"
+    "tape": "^4.9.1",
+    "testbed-query-fixtures": "^1.0.0"
+  },
+  "devDependencies": {
+    "homedir": "^0.6.0"
   }
 }
diff --git a/test/lora32/main/main.c b/test/lora32/main/main.c
index 9e41368..67dddfb 100644
--- a/test/lora32/main/main.c
+++ b/test/lora32/main/main.c
@@ -133,9 +133,11 @@ void set_mode(void *args) {
 }
 
 void send(void *args) {
-  ESP_LOGI(TAG, "sending: %s\n", (char*)args);
+  ESP_LOGI(TAG, "sending: %s", (char*)args);
 
   lora32_send(&lora, (uint8_t *)args, 12);
+
+  ESP_LOGI(TAG, "done");
 };
 
 void set_spreadfactor(void *args) {
diff --git a/test/test.js b/test/test.js
index f33222c..30c9ead 100644
--- a/test/test.js
+++ b/test/test.js
@@ -1,52 +1,68 @@
 var async = require("async");
+var esptool = require("esptool-wrapper");
+var homedir = require("homedir")();
 var spawn = require("child_process").spawn;
 var SerialPort = require("serialport");
 var path = require("path");
 var test = require("tape");
-
-const exec = path.join(process.env.IDF_PATH, "components", "esptool_py", "esptool", "esptool.py");
-const portString = "/dev/serial/by-id/usb-Silicon_Labs_CP2102_USB_to_UART_Bridge_Controller_SERIAL_ID-if00-port0";
+var testbed = require("testbed-query-fixtures");
 
 const buildPath = path.join(__dirname, "lora32", "build");
 
-const TB_DEV1 = process.env.TB_DEV1 || "0000";
-const TB_DEV2 = process.env.TB_DEV2 || "0001";
+try {
+  var testbedConfig = require(path.join(homedir, ".testbed.json"));
+} catch(e) {
+  console.log(e);
+  console.error("testbed.json fixture file not found.");
 
-var args = [
-	"--chip",
-	"esp32",
-	"--baud",
-	"460800",
-	"--before",
-	"default_reset",
-	"--after",
-	"hard_reset",
-	"write_flash",
-	"-z",
-	"--flash_mode",
-	"dio",
-	"--flash_freq",
-	"40m",
-	"--flash_size",
-	"detect",
-	"0x1000",
-	path.join(buildPath, "bootloader/bootloader.bin"),
-	"0x10000",
-	path.join(buildPath, "lora32.bin"),
-	"0x8000",
-	path.join(buildPath, "partitions_singleapp.bin")
-];
+  process.exit(1);
+}
+
+var devices = testbed({
+  f: [ "esp32", "lora" ],
+  fixtures: testbedConfig.fixtures
+});
+
+if(devices.length < 2) {
+  throw new Error("Not enough test devices available");
+}
+
+const TB_DEV1 = devices[0].DEVNAME;
+const TB_DEV2 = devices[1].DEVNAME;
+
+var testBins = {
+	0x1000: path.join(buildPath, "bootloader/bootloader.bin"),
+	0x8000: path.join(buildPath, "partitions_singleapp.bin"),
+	0x10000: path.join(buildPath, "lora32.bin")
+};
 
 function flash(port, cb) {
+  var argsReset = [
+    "--before",
+    "default_reset",
+    "--after",
+    "hard_reset"
+  ];
+
+  var argsWriteFlash = [
+    "-z",
+    "--flash_mode",
+    "dio",
+    "--flash_freq",
+    "40m",
+    "--flash_size",
+    "detect"
+  ];
+
   console.log("Flashing devices at %s", port);
 
-  var cp = spawn(exec, ["--port", port].concat(args));
-
-  cp.on("exit", function(code) {
-    console.log("%s\nexited: %d", port, code);
-
-    cb(code === 0 ? null : new Error("exited non-zero: " + code));
-  });
+  esptool({
+    port: port,
+    baud: 460800,
+    files: testBins,
+    args: argsReset,
+    cmdArgs: argsWriteFlash
+  }, cb);
 }
 
 function toggleReset(sp) {
@@ -108,20 +124,20 @@ async.series([
 
     async.parallel([
       function(done) {
-        flash(portString.replace("SERIAL_ID", TB_DEV1), done);
+        flash(TB_DEV1, done);
       }, function(done) {
-        flash(portString.replace("SERIAL_ID", TB_DEV2), done);
+        flash(TB_DEV2, done);
       }], next);
   },
 
   function(next) {
     async.parallel({
       dev1: function(done) {
-        serial(portString.replace("SERIAL_ID", TB_DEV1), done);
+        serial(TB_DEV1, done);
       },
       
       dev2: function(done) {
-        serial(portString.replace("SERIAL_ID", TB_DEV2), done);
+        serial(TB_DEV2, done);
       }
     }, next);
   }