Problem: default test setUp/tearDown functions duplicated in many test programs

Solution: define setUp/tearDown functions via SETUP_TEARDOWN_TESTCONTEXT macro where possible

tests/test_stream_timeout.cpp

@@ -33,15 +33,7 @@
 #include <stdlib.h>
 #include <string.h>
 
-void setUp ()
-{
-    setup_test_context ();
-}
-
-void tearDown ()
-{
-    teardown_test_context ();
-}
+SETUP_TEARDOWN_TESTCONTEXT
 
 //  Read one event off the monitor socket; return value and address
 //  by reference, if not null, and event number by value. Returns -1