[citadel] Backport "Remove problematic discovery test #(336)" (#339)

* [citadel] Backport "Remove problematic discovery test #(336)"

Signed-off-by: Michael Carroll <michael@openrobotics.org>

* Disabled needs to be all caps

Signed-off-by: Michael Carroll <michael@openrobotics.org>

Author: mjcarroll

src/Discovery_TEST.cc

@@ -523,9 +523,16 @@ TEST(DiscoveryTest, TestActivity)
   discovery1.TestActivity(proc2Uuid, false);
 }
 
+/// Logic to disable the following test via Linux
+#if defined __linux__
+  #define TEST_NAME DISABLED_WrongIgnIp
+#else
+  #define TEST_NAME WrongIgnIp
+#endif  // defined __linux__
+
 //////////////////////////////////////////////////
 /// \brief Check that a wrong IGN_IP value makes HostAddr() to return 127.0.0.1
-TEST(DiscoveryTest, WrongIgnIp)
+TEST(DiscoveryTest, TEST_NAME)
 {
   // Save the current value of IGN_IP environment variable.
   std::string ignIp;