Change your code to this:
Options -MultiViews
RewriteEngine On
RewriteBase /Testlaravel/public/
# Redirect Trailing Slashes...
RewriteRule ^(.*)/$ $1 [L,R=301]
# Handle Front Controller...
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^ index.php [L]