feat: Unit-test static interface methods (#60)

* feat: Coverage for NoteI2c static methods
* feat: Coverage for NoteLog static methods
* feat: Coverage for NoteSerial static methods

Author: zfields

library.properties

@@ -1,5 +1,5 @@
 name=Blues Wireless Notecard
-version=1.3.6
+version=1.3.7
 author=Blues Wireless
 maintainer=Blues Wireless <[email protected]>
 sentence=An easy to use Notecard Library for Arduino.

src/NoteSerial_Arduino.hpp

@@ -20,7 +20,7 @@ class NoteSerial_Arduino final : public NoteSerial
 
 private:
     HardwareSerial & _notecardSerial;
-    int _notecardSerialSpeed;
+    const int _notecardSerialSpeed;
 };
 
 #endif // NOTE_SERIAL_ARDUINO_HPP

src/Notecard.cpp

@@ -94,12 +94,12 @@ namespace
 
     NoteLog *noteLog(nullptr);
 
-    size_t noteLogPrint(const char * str_)
+    size_t noteLogPrint(const char * message_)
     {
         size_t result;
         if (noteLog)
         {
-            result = noteLog->print(str_);
+            result = noteLog->print(message_);
         }
         else
         {