added missing newline to make github stop complaining

Author: soundanalogous

test/readme.md

@@ -4,4 +4,4 @@ The Firmata test suite includes unit tests (see the unit directory). Integration
 tests may also be added at some point in the future.
 
 If you make changes to Firmata.cpp, run the tests in /test/unit/ to ensure
-that your changes have not produced any unexpected errors.
+that your changes have not produced any unexpected errors.

test/unit/readme.md

@@ -5,4 +5,4 @@ Unit tests are written using the [ArduinoUnit](https://github.com/mmurdoch/ardui
 Follow the instructions in the [ArduinoUnit readme](https://github.com/mmurdoch/arduinounit/blob/master/readme.md) to install the library.
 
 Compile and upload the test sketch as you would any other sketch. Then open the 
-Serial Monitor to view the test results.
+Serial Monitor to view the test results.