tests: instead of false, use old feature flag with default value of false

src/tools-download.ts

@@ -6,6 +6,7 @@ import * as toolcache from "@actions/tool-cache";
 import { https } from "follow-redirects";
 import { v4 as uuidV4 } from "uuid";
 
+import { Feature, FeatureEnablement } from "./feature-flags";
 import { formatDuration, Logger } from "./logging";
 import * as tar from "./tar";
 import { cleanUpGlob } from "./util";
@@ -76,6 +77,7 @@ export async function downloadAndExtract(
   headers: OutgoingHttpHeaders,
   tarVersion: tar.TarVersion | undefined,
   tempDir: string,
+  features: FeatureEnablement,
   logger: Logger,
 ): Promise<{
   extractedBundlePath: string;
@@ -88,8 +90,12 @@ export async function downloadAndExtract(
   const compressionMethod = tar.inferCompressionMethod(codeqlURL);
 
   // TODO: Re-enable streaming when we have a more reliable way to respect proxy settings.
-  // eslint-disable-next-line no-constant-condition, no-constant-binary-expression
-  if (false && compressionMethod === "zstd" && process.platform === "linux") {
+
+  if (
+    (await features.getValue(Feature.ZstdBundleStreamingExtraction)) &&
+    compressionMethod === "zstd" &&
+    process.platform === "linux"
+  ) {
     logger.info(`Streaming the extraction of the CodeQL bundle.`);
 
     const toolsInstallStart = performance.now();