Fixed PIO to support pio test.

platformio.ini

@@ -60,6 +60,7 @@ build_flags = ${common.build_flags}
 src_filter =
 	+<*.h> +<*.s> +<*.S> +<*.cpp> +<*.c> +<*.ino> +<src/>
 	-<.git/> -<data/> -<test/> -<tests/>
+test_build_project_src = true
 
 [env:release]
 lib_deps =
@@ -71,7 +72,3 @@ build_type = debug
 lib_deps =
     TMCStepper@>=0.7.0,<1.0.0
     ESP8266 and ESP32 OLED driver for SSD1306 displays@^4.2.0
-
-[env:test]
-build_type = debug
-test_build_project_src = true