save png to export/ folder

package.json

@@ -18,7 +18,7 @@
     "build:webpack-dev": "webpack --progress --colors --config webpack.dev.js",
     "build:webpack-sourcemap": "webpack --progress --colors --config webpack.sourcemap.js",
     "start": "webpack-dev-server --progress --colors --config webpack.dev.js",
-    "generatePNG": "node ./test/Util/generateDiffImagesPuppeteerLocalhost.js ./test/data/ ./data/images/current",
+    "generatePNG": "node ./test/Util/generateDiffImagesPuppeteerLocalhost.js ./test/data/ ./export/",
     "generate:current": "node ./test/Util/generateDiffImages.js ./test/data/ ./data/images/current",
     "generate:blessed": "node ./test/Util/generateDiffImages.js ./test/data/ ./data/images/blessed",
     "fix-memory-limit": "cross-env NODE_OPTIONS=--max_old_space_size=4096"

test/Util/generateDiffImagesPuppeteerLocalhost.js

@@ -27,9 +27,9 @@ async function init () {
     fs.mkdirSync(imageDir, { recursive: true })
 
     const samples = {
-        'Clementi, M. - Sonatina Op.36 No.1 Pt.1': 'MuzioClementi_SonatinaOpus36No1_Part1.xml'
+        'Beethoven, L.v. - An die ferne Geliebte': 'Beethoven_AnDieFerneGeliebte.xml'
+        // 'Clementi, M. - Sonatina Op.36 No.1 Pt.1': 'MuzioClementi_SonatinaOpus36No1_Part1.xml'
         // "Hello World": "HelloWorld.xml",
-        // "Beethoven, L.v. - An die ferne Geliebte": "Beethoven_AnDieFerneGeliebte.xml",
         // "Clementi, M. - Sonatina Op.36 No.1 Pt.2": "MuzioClementi_SonatinaOpus36No1_Part2.xml",
     }
     const sampleKeys = Object.keys(samples)