tests/pkg_minmea: migrate to testrunner

tests/pkg_minmea/Makefile

@@ -7,3 +7,6 @@ USEPKG += minmea
 BOARD_BLACKLIST := chronos msb-430 msb-430h telosb wsn430-v1_3b wsn430-v1_4 z1
 
 include $(RIOTBASE)/Makefile.include
+
+test:
+	tests/01-run.py

tests/pkg_minmea/main.c

@@ -26,16 +26,18 @@ static const char *_gll = "$GNGLL,5229.0178,N,01326.7605,E,114350.000,A,A*45";
 
 int main(void)
 {
+    puts("START");
     struct minmea_sentence_gll frame;
 
     int res = minmea_parse_gll(&frame, _gll);
     if (!res) {
-        puts("error parsing GPS sentence");
+        puts("FAILURE: error parsing GPS sentence");
     }
     else {
         printf("parsed coordinates: lat=%f lon=%f\n",
                 minmea_tocoord(&frame.latitude),
                 minmea_tocoord(&frame.longitude));
+        puts("SUCCESS");
     }
 
     return 0;

tests/pkg_minmea/tests/01-run.py

@@ -0,0 +1,16 @@
+#!/usr/bin/env python3
+
+import os
+import sys
+import math
+
+sys.path.append(os.path.join(os.environ['RIOTBASE'], 'dist/tools/testrunner'))
+import testrunner
+
+
+def testfunc(child):
+    child.expect_exact('START')
+    child.expect_exact('SUCCESS')
+
+if __name__ == "__main__":
+    sys.exit(testrunner.run(testfunc))