Created test builds for each modem

tools/test_build/test_build.ino

@@ -1,77 +0,0 @@
-/**************************************************************
- *
- *  DO NOT USE THIS - this is just a compilation test!
- *
- **************************************************************/
-
- // #define TINY_GSM_MODEM_SIM800
- // #define TINY_GSM_MODEM_A6
- // #define TINY_GSM_MODEM_M590
- // #define TINY_GSM_MODEM_ESP8266
- // #define TINY_GSM_MODEM_XBEE
-
-#include <TinyGsmClient.h>
-
-TinyGsm modem(Serial);
-TinyGsmClient client(modem);
-
-char server[] = "somewhere";
-char resource[] = "something";
-
-void setup() {
-  Serial.begin(115200);
-  delay(3000);
-  modem.restart();
-}
-
-void loop() {
-
-  // Test the start/restart functions
-  modem.restart();
-  modem.begin();
-  modem.autoBaud();
-  modem.factoryDefault();
-
-  // Test the SIM card functions
-  modem.getSimCCID();
-  modem.getIMEI();
-  modem.getSimStatus();
-  modem.getRegistrationStatus();
-  modem.getOperator();
-
-
-  // Test the Networking functions
-  modem.getSignalQuality();
-
-
-  #if defined(TINY_GSM_MODEM_SIM800) || defined(TINY_GSM_MODEM_A6) || defined(TINY_GSM_MODEM_M590)
-  modem.waitForNetwork();
-  modem.gprsConnect("YourAPN", "", "");
-  #else
-    modem.networkConnect("YourSSID", "YourPWD");
-    modem.waitForNetwork();
-  #endif
-
-  client.connect(server, 80);
-
-  // Make a HTTP GET request:
-  client.print(String("GET ") + resource + " HTTP/1.0\r\n");
-  client.print(String("Host: ") + server + "\r\n");
-  client.print("Connection: close\r\n\r\n");
-
-  unsigned long timeout = millis();
-  while (client.connected() && millis() - timeout < 10000L) {
-    while (client.available()) {
-      client.read();
-      timeout = millis();
-    }
-  }
-
-  client.stop();
-
-  #if defined(TINY_GSM_MODEM_SIM800) || defined(TINY_GSM_MODEM_A6) || defined(TINY_GSM_MODEM_M590)
-  modem.gprsDisconnect();
-  #else
-  networkDisconnect()
-  #endif
-}