Add hook filters tests

shared/extra-utils/server/plugins.ts

@@ -201,6 +201,10 @@ function getPluginPackageJSON (server: ServerInfo, npmName: string) {
   return readJSON(path)
 }
 
+function getPluginTestPath (suffix = '') {
+  return join(root(), 'server', 'tests', 'fixtures', 'peertube-plugin-test' + suffix)
+}
+
 export {
   listPlugins,
   listAvailablePlugins,
@@ -213,5 +217,6 @@ export {
   getPluginRegisteredSettings,
   getPackageJSONPath,
   updatePluginPackageJSON,
-  getPluginPackageJSON
+  getPluginPackageJSON,
+  getPluginTestPath
 }

shared/extra-utils/server/servers.ts

@@ -171,7 +171,8 @@ async function runServer (server: ServerInfo, configOverrideArg?: any, args = []
         thumbnails: `test${server.internalServerNumber}/thumbnails/`,
         torrents: `test${server.internalServerNumber}/torrents/`,
         captions: `test${server.internalServerNumber}/captions/`,
-        cache: `test${server.internalServerNumber}/cache/`
+        cache: `test${server.internalServerNumber}/cache/`,
+        plugins: `test${server.internalServerNumber}/plugins/`
       },
       admin: {
         email: `admin${server.internalServerNumber}@example.com`