use dockers for tests, use npm workspaces, add rejson & redisearch modules, fix some bugs

packages/json/lib/test-utils.ts

@@ -0,0 +1,21 @@
+import TestUtils from '@redis/test-utils';
+import RedisJSON from '.';
+
+export default new TestUtils({
+    dockerImageName: 'redislabs/rejson',
+    dockerImageVersionArgument: 'rejson-version',
+    defaultDockerVersion: '2.0.2'
+});
+
+export const GLOBAL = {
+    SERVERS: {
+        OPEN: {
+            serverArguments: ['--loadmodule /usr/lib/redis/modules/rejson.so'],
+            clientOptions: {
+                modules: {
+                    json: RedisJSON
+                }
+            }
+        }
+    }
+};