Add unit tests for the phosphor-logging server

-Add unit tests for error wrapping

Change-Id: Ib15620d84de8ab5abdc85b8f88dd7c05f83fd6f3
Signed-off-by: Nagaraju Goruganti <ngorugan@in.ibm.com>
diff --git a/log_manager.cpp b/log_manager.cpp
index 71858f6..cbbf9a8 100644
--- a/log_manager.cpp
+++ b/log_manager.cpp
@@ -43,6 +43,16 @@
     return reqLevel;
 }
 
+int Manager::getRealErrSize()
+{
+    return realErrors.size();
+}
+
+int Manager::getInfoErrSize()
+{
+    return infoErrors.size();
+}
+
 void Manager::commit(uint64_t transactionId, std::string errMsg)
 {
     auto level = getLevel(errMsg);