Added end2end test case

Added end2end test case for exercising code from attention event to isolator.

Signed-off-by: Ben Tyner <ben.tyner@ibm.com>
Change-Id: I5bde1c50e4b70e284e99e71bb69d55041310c0d0
diff --git a/attn/bp_handler.hpp b/attn/bp_handler.hpp
new file mode 100644
index 0000000..4c7dcb0
--- /dev/null
+++ b/attn/bp_handler.hpp
@@ -0,0 +1,13 @@
+#pragma once
+
+namespace attn
+{
+
+/**
+ * @brief Breakpoint special attention handler
+ *
+ * Handler for special attention events due to a breakpoint condition.
+ */
+void bpHandler();
+
+} // namespace attn