fix: integration tests db path (#542)

Author: jyeshe

config/test.exs

@@ -3,15 +3,10 @@ use Mix.Config
 # Sync
 config :ae_mdw, sync: false
 
-data_dir =
-  if System.get_env("INTEGRATION_TEST") do
-    "data.db"
-  else
-    "test_data.db"
-  end
-
-# Database
-config :ae_mdw, AeMdw.Db.RocksDb, data_dir: data_dir
+if System.get_env("INTEGRATION_TEST") != "1" do
+  # Database
+  config :ae_mdw, AeMdw.Db.RocksDb, data_dir: "test_data.db"
+end
 
 # HTTP
 config :ae_mdw, AeMdwWeb.Endpoint,