added _ in TESTCASE and TESTSUITE
diff --git a/examples/multi_dll/common.h b/examples/multi_dll/common.h
index f80f65c..0d90176 100644
--- a/examples/multi_dll/common.h
+++ b/examples/multi_dll/common.h
@@ -32,7 +32,7 @@
 

 #include <cstdio>

 

-TESTCASE("shared") {

+TEST_CASE("shared") {

     printf("I am a test in a header used by the executable and the dll!\n");

 }