Update DeviceAllocationManager.java

Author: AnilPatidar

src/main/java/com/appium/manager/DeviceAllocationManager.java

@@ -48,11 +48,15 @@ public List<AppiumDevice> getDevices() {
 
     public synchronized AppiumDevice getNextAvailableDevice() {
         int i = 0;
+                System.out.println("inside getNextAvailableDevice");
+
         for (AppiumDevice device : allDevices) {
             Thread t = Thread.currentThread();
             t.setName("Thread_" + i);
             i++;
-            if (device.isAvailable()) {
+            boolean flag =device.isAvailable();
+                        System.out.println("isDevice available : "+flag);
+            if (flag) {
                 device.blockDevice();
                 return device;
             }