Capability to test only a specific country code via TEST_COUNTRY=xx enviroment variable

.gitignore

@@ -1,2 +1,3 @@
 node_modules/
-error.log
+error.log
+*~

test/index.js

@@ -22,6 +22,14 @@ function writeToLog(test, country, msg, url) {
   console.log(line)
 }
 
+function skipPlaylist(filename) {
+	let test_country = process.env.TEST_COUNTRY
+	if (test_country && filename !== 'channels/' + test_country + '.m3u') {
+		return true;
+	}
+	return false;
+}
+
 function loadPlaylist(filename) {
   return M3U.parse(fs.readFileSync(path.resolve(__dirname) + "/../" + filename, { encoding: "utf8" }))
 }
@@ -35,6 +43,10 @@ async function testAllLinksIsWorking() {
 
   for(let country of countries) {
 
+    if (skipPlaylist(country.file)) {
+	    continue;
+    }
+
     const playlist = loadPlaylist(country.file)
 
     for(let channel of playlist) {