RewriteEngine on

RewriteCond %{HTTP_HOST} ^.*$
RewriteRule ^amember/admin/?$ "http\:\/\/learnbydoing\.com\/amember\/admin\/index\.php"

RewriteCond %{HTTP_HOST} ^.*$
RewriteRule ^test/administrator/?$ "http\:\/\/learnbydoing\.com\/test\/administrator\/index\.php"

RewriteCond %{HTTP_HOST} ^.*$
RewriteRule ^test/?$ "http\:\/\/learnbydoing\.com\/test\/index\.php" [R=301,L]