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.hpp b/log_manager.hpp
index d5ca4e9..3da450d 100644
--- a/log_manager.hpp
+++ b/log_manager.hpp
@@ -108,6 +108,18 @@
             }
         }
 
+        /** @brief Returns the count of high severity errors
+         *
+         *  @return int - count of real errors
+         */
+        int getRealErrSize();
+
+        /** @brief Returns the count of Info errors
+         *
+         *  @return int - count of info errors
+         */
+        int getInfoErrSize();
+
     private:
         /*
          * @fn _commit()