Add an integration test for packaging

Uses two pre-existing packages to run some simple queries on a javascript
database.

src/codeql.ts

@@ -799,7 +799,10 @@ function getCodeQLForCmd(cmd: string): CodeQL {
         const parsedOutput: PackDownloadOutput = JSON.parse(output);
         if (
           Array.isArray(parsedOutput.packs) &&
-          parsedOutput.packs.every((p) => p.name && p.version)
+          // TODO PackDownloadOutput will not include the version if it is not specified
+          // in the input. The version is always the latest version available.
+          // It should be added to the output, but this requires a CLI change
+          parsedOutput.packs.every((p) => p.name /* && p.version */)
         ) {
           return parsedOutput;
         } else {