use different db connection on gh actions

.github/workflows/test.yml

@@ -111,6 +111,11 @@ jobs:
       matrix:
         node-version: [12.x]
         mongodb-version: [4.2]
+    env:
+      # The test database connection uri is specified here and not taken from
+      # config.json.example because it differs between local installs and
+      # github actions, because the github action replica set only has 1 member 
+      TEST_DB_URI=mongodb://localhost:27017/habitica-test?replicaSet=habitica-test-rs
     steps:
     - uses: actions/checkout@v1
       with:
@@ -139,6 +144,11 @@ jobs:
       matrix:
         node-version: [12.x]
         mongodb-version: [4.2]
+    env:
+      # The test database connection uri is specified here and not taken from
+      # config.json.example because it differs between local installs and
+      # github actions, because the github action replica set only has 1 member 
+      TEST_DB_URI=mongodb://localhost:27017/habitica-test?replicaSet=habitica-test-rs
     steps:
     - uses: actions/checkout@v1
       with:
@@ -167,6 +177,11 @@ jobs:
       matrix:
         node-version: [12.x]
         mongodb-version: [4.2]
+    env:
+      # The test database connection uri is specified here and not taken from
+      # config.json.example because it differs between local installs and
+      # github actions, because the github action replica set only has 1 member 
+      TEST_DB_URI=mongodb://localhost:27017/habitica-test?replicaSet=habitica-test-rs
     steps:
     - uses: actions/checkout@v1
       with:

config.json.example

@@ -32,7 +32,8 @@
   "LOGGLY_SUBDOMAIN": "example-subdomain",
   "LOGGLY_TOKEN": "example-token",
   "MAINTENANCE_MODE": "false",
-  "NODE_DB_URI": "mongodb://localhost:27017/habitrpg",
+  "NODE_DB_URI": "mongodb://localhost:27017,localhost:27018,localhost:27019/habitica-dev?replicaSet=rs",
+  "TEST_DB_URI": "mongodb://localhost:27017,localhost:27018,localhost:27019/habitica-dev?replicaSet=rs",
   "MONGODB_POOL_SIZE": "10",
   "NODE_ENV": "development",
   "PATH": "bin:node_modules/.bin:/usr/local/bin:/usr/bin:/bin",
@@ -70,7 +71,6 @@
   "SLACK_URL": "https://hooks.slack.com/services/some-url",
   "STRIPE_API_KEY": "aaaabbbbccccddddeeeeffff00001111",
   "STRIPE_PUB_KEY": "22223333444455556666777788889999",
-  "TEST_DB_URI": "mongodb://localhost:27017/habitica-test?replicaSet=habitica-test-rs",
   "TRANSIFEX_SLACK_CHANNEL": "transifex",
   "WEB_CONCURRENCY": 1,
   "SKIP_SSL_CHECK_KEY": "key",