tests/heatshrink: move from unittests to regular test

This moves tests for the heatshrink package from unittests to a regular
test, which should help to decrease binary size of unittests.

tests/pkg_heatshrink/Makefile

@@ -0,0 +1,11 @@
+include ../Makefile.tests_common
+
+BOARD_INSUFFICIENT_MEMORY := arduino-duemilanove \
+                             arduino-uno \
+                             nucleo-f031k6 \
+                             #
+
+USEPKG += heatshrink
+USEMODULE += embunit
+
+include $(RIOTBASE)/Makefile.include

tests/pkg_heatshrink/main.c

@@ -7,7 +7,7 @@
  */
 
 /**
- * @ingroup     unittests
+ * @ingroup     tests
  * @{
  * @file
  * @brief       Tests for the heatshrink compression library package
@@ -106,7 +106,7 @@ static void test_heatshrink(void)
     TEST_ASSERT_EQUAL_INT(_comp_uncomp((const uint8_t*)_data, strlen(_data)), 0);
 }
 
-TestRef test_heatshrink_all(void)
+TestRef tests_heatshrink(void)
 {
     EMB_UNIT_TESTFIXTURES(fixtures) {
         new_TestFixture(test_heatshrink),
@@ -116,7 +116,11 @@ TestRef test_heatshrink_all(void)
     return (TestRef) & HeatshrinkTest;
 }
 
-void tests_heatshrink(void)
+int main(void)
 {
-    TESTS_RUN(test_heatshrink_all());
+    TESTS_START();
+    TESTS_RUN(tests_heatshrink());
+    TESTS_END();
+
+    return 0;
 }

tests/pkg_heatshrink/tests/01-run.py

@@ -0,0 +1,18 @@
+#!/usr/bin/env python3
+
+# Copyright (C) 2017 Freie Universität Berlin
+#
+# This file is subject to the terms and conditions of the GNU Lesser
+# General Public License v2.1. See the file LICENSE in the top level
+# directory for more details.
+
+import sys
+from testrunner import run
+
+
+def testfunc(child):
+    child.expect('OK \(\d+ tests\)')
+
+
+if __name__ == "__main__":
+    sys.exit(run(testfunc))

tests/unittests/tests-heatshrink/Makefile

@@ -1 +0,0 @@
-include $(RIOTBASE)/Makefile.base

tests/unittests/tests-heatshrink/Makefile.include

@@ -1 +0,0 @@
-USEPKG += heatshrink