Problem: test cases were sporadically failing

Solution: increase settle time for bind/unbind tests

tests/test_disconnect_inproc.cpp

@@ -25,8 +25,10 @@ zmq_msg_init(&msg) && printf("zmq_msg_init: %s\n", zmq_strerror(errno)); \
 zmq_msg_init_size (&msg, size + 1) && printf("zmq_msg_init_size: %s\n",zmq_strerror(errno)); \
 memcpy(zmq_msg_data(&msg), data, size + 1);
 
-int publicationsReceived = 0;
-bool isSubscribed = false;
+//  TODO: this code fails to meet our style guidelines, and needs rewriting
+
+static int publicationsReceived = 0;
+static bool isSubscribed = false;
 
 int main(int, char**) {
     setup_test_environment();

tests/testutil.hpp

@@ -27,7 +27,7 @@
 //  This defines the settle time used in tests; raise this if we
 //  get test failures on slower systems due to binds/connects not
 //  settled. Tested to work reliably at 1 msec on a fast PC.
-#define SETTLE_TIME 10         //  In msec
+#define SETTLE_TIME 50         //  In msec
 
 #undef NDEBUG
 #include <time.h>