Fix misc problems detected by ESLint

Reformat and clean up issues detected by ESLint.

test/integration/clusterio.js

@@ -156,7 +156,7 @@ describe("Integration of Clusterio", function() {
 					],
 				];
 
-				for (let [prop, value, , ] of testConfigs) {
+				for (let [prop, value, ,] of testConfigs) {
 					value = `"'${JSON.stringify(value).replace(/"/g, process.platform === "win32" ? '""' : '\\"')}'"`;
 					let args = `--instance test --field factorio.settings --prop ${prop} --value ${value}`;
 					await exec(`node clusterctl --config ${controlConfigPath} set-instance-config-prop ${args}`);

test/integration/index.js

@@ -23,6 +23,7 @@ class TestControl extends link.Link {
 	}
 
 	async debugWsMessageEventHandler() { }
+
 	async instanceOutputEventHandler() { }
 }
 
@@ -35,6 +36,7 @@ class TestControlConnector extends link.WebSocketClientConnector {
 // Mark that this test takes a lot of time, or depeneds on a test
 // that takes a lot of time.
 function slowTest(test) {
+	// eslint-disable-next-line no-process-env
 	if (process.env.FAST_TEST) {
 		test.skip();
 	}

test/integration/server.js

@@ -27,7 +27,7 @@ describe("Integration of lib/factorio/server", function() {
 
 		before(async function() {
 			// Delete result from previous run of these tests
-			if (fs.existsSync(writePath)) {
+			if (await fs.pathExists(writePath)) {
 				await fs.remove(writePath);
 			}