More unit tests and unified target for all tests (#6661)

* added general settings tests

* fixed pre-219 switchUnlockState (CPN)

* X7 radio settings tests

* updated X10 model

* patched TESTS_PATH to point directly at the complete tests path

* fixed horus general settings switch conversion

* cpn x10 general settings tests

* fixed horus cpn import

* use x10 model from otx file to ease editing with companion

* added make targets "gtests" and "tests"

gtests builds all the tests (radio & companion)
tests builds and executes all the tests (radio & companion)

* fixed companion tests cmake

* fixed gtests-radio target

* fixed commit tests

* fixed converting LS & RS on X10

* fixed converting global functions on X10

* fixed source conversion on X10

* fixed throttle source on X10

* fixed throttle source on radio and companion

* more checks and re-enabled Horus screenData copy

* more tests (X10)

* [X10] restore correct direction for RS & LS

* [horus] convert "Value" widget source

* fixed conversion of ModelHeader::bitmap length

* added missing X10 radio tests to companion tests

* fixed conversion of telemetry sources in logical switches

* [horus] fixed potential crash

* fixed "AND switch" conversion in logical switches

radio/src/tests/lcd_480x272.cpp

@@ -67,7 +67,7 @@ bool checkScreenshot_480x272(const QString & test)
   QPainter p(&buffer);
   doPaint_480x272(p);
   QString filename(QString("%1_%2x%3.png").arg(test).arg(LCD_W).arg(LCD_H));
-  QImage reference(TESTS_PATH "/tests/" + filename);
+  QImage reference(TESTS_PATH "/" + filename);
 
   if (buffer == reference) {
     return true;