test: enable hideSkippedTests option (#11952)

* test: hideSkippedTests

* test: update maxWorkers

Author: 9aoy

tests/rspack-test/rstest.config.ts

@@ -35,7 +35,7 @@ export default defineConfig({
 		printBasicPrototype: true
 	},
 	pool: {
-		maxWorkers: 5,
+		maxWorkers: "80%",
 		execArgv: ['--no-warnings', '--expose-gc', '--max-old-space-size=8192', '--experimental-vm-modules'],
 	},
 	env: {
@@ -61,5 +61,6 @@ export default defineConfig({
 		__RSPACK_TEST_TOOLS_PATH__: path.resolve(root, "packages/rspack-test-tools"),
 	},
 	reporters: ["verbose"],
+	hideSkippedTests: true,
 });