Require plugin IDs to be valid

scripts/cli-e2e-test.js

@@ -1,3 +1,19 @@
+/*
+ * Copyright 2020 Spotify AB
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 const { resolve: resolvePath } = require('path');
 const childProcess = require('child_process');
 const { spawn } = childProcess;
@@ -68,7 +84,11 @@ function spawnPiped(cmd, options) {
     };
   }
 
-  const child = spawn(cmd[0], cmd.slice(1), { stdio: 'pipe', shell: true, ...options });
+  const child = spawn(cmd[0], cmd.slice(1), {
+    stdio: 'pipe',
+    shell: true,
+    ...options,
+  });
   child.on('error', handleError);
   child.on('exit', code => {
     if (code) {
@@ -99,7 +119,6 @@ async function waitForPageWithText(
     try {
       await new Promise(resolve => setTimeout(resolve, intervalMs));
       await browser.visit(path);
-
       break;
     } catch (error) {
       attempts++;