feat(matrix): fix matrix data types for MySQL

lib/pact_broker/matrix/latest_row.rb

@@ -2,11 +2,23 @@
 
 module PactBroker
   module Matrix
-
     # Latest pact revision for each consumer version => latest verification
-
     class LatestRow < Row
       set_dataset(:latest_matrix)
+
+      # For some reason, with MySQL, the success column value
+      # comes back as an integer rather than a boolean
+      # for the latest_matrix view (but not the matrix view!)
+      # Maybe something to do with the union?
+      # Haven't investigated as this is an easy enough fix.
+      def success
+        value = super
+        value.nil? ? nil : value == true || value == 1
+      end
+
+      def values
+        super.merge(success: success)
+      end
     end
   end
 end