test: don't test against webpack 4 on node 18

webpack 4 doesn't support node 18

Author: djcsdy

index.test.ts

@@ -38,12 +38,18 @@ test.serial("backward-compatibility-pre-1.1.2-config-cjs", async t => {
     t.pass();
 });
 
-test.serial("webpack-4-compatibility-type-module", async t => {
+const nodeMajorVersion = parseInt(process.versions.node.split(".")[0] ?? "", 10);
+
+test("nodeVersion", t => t.is(nodeMajorVersion, 16));
+
+const testSerialIfNodeLessThan17 = nodeMajorVersion < 17 ? test.serial : test.serial.skip;
+
+testSerialIfNodeLessThan17("webpack-4-compatibility-type-module", async t => {
     await buildTestProject("test-projects/webpack-4-compatibility-type-module");
     t.pass();
 });
 
-test.serial("webpack-4-compatibility-type-commonjs", async t => {
+testSerialIfNodeLessThan17("webpack-4-compatibility-type-commonjs", async t => {
     await buildTestProject("test-projects/webpack-4-compatibility-type-commonjs");
     t.pass();
 });

tsconfig.test.json

@@ -1,7 +1,8 @@
 {
   "extends": ".",
   "compilerOptions": {
-    "noEmit": true
+    "noEmit": true,
+    "types": ["node"]
   },
   "exclude": []
 }