use dev db when secret env set

This will allow us to run the github action tests against dev fauna.
Unfortunately github actions services are only supported for linux
runners so if we want to run our extension tests on the other oses we'll
need to use dev from them.

src/test/suite/helper.ts

@@ -22,20 +22,35 @@ export async function sleep(ms: number) {
 	return new Promise(resolve => setTimeout(resolve, ms));
 }
 
+export function getClient(): Client {
+  if (process.env.VSCODE_DB_SECRET) {
+    return getDevDB(process.env.VSCODE_DB_SECRET);
+  } else {
+    return getLocalClient();
+  }
+}
+
 export function getLocalClient(): Client {
   return new Client({
     endpoint: endpoints.local,
     secret: "secret",
   });
 }
 
+export function getDevDB(secret: string): Client {
+  return new Client({
+    endpoint: new URL("https://db.dev.faunadb.net"),
+    secret: secret
+  });
+}
+
 
 /**
  * Returns the fqlx client to use as well as the secret to use to configure the 
  * extension with.
  */
 export const clientWithFreshDB = async (name: string): Promise<[Client, string]> => {
-  const parentClient = getLocalClient();
+  const parentClient = getClient();
   const secretQ = await parentClient.query<string>(fql`
     if (Database.byName(${name}).exists()) {
       Key.where(.database == ${name}).forEach(.delete())