👷 Separate database test into different tags and enable default test CI.

.github/workflows/test-mongodb.yml

@@ -30,6 +30,6 @@ jobs:
             - name: Fetch Repository
               uses: actions/checkout@v2
             - name: Run Test
-              run: go test ./mongodb -v -race
+              run: go test ./mongodb -tags=mongodb -v -race
               env:
                 MONGO_URI: "mongodb://root:password@127.0.0.1:27017"

.github/workflows/test-mysql.yml

@@ -40,7 +40,7 @@ jobs:
             - name: Fetch Repository
               uses: actions/checkout@v2
             - name: Run Test
-              run: go test ./mysql -v -race
+              run: go test ./mysql -tags=mysql -v -race
               env:
                 MYSQL_ADDRESS: "127.0.0.1:3306"
                 MYSQL_USERNAME: username

memcache/memcache_test.go

@@ -1 +1,3 @@
+// +build memcache
+
 package memcache

mongodb/mongodb_test.go

@@ -1,3 +1,5 @@
+// +build mongodb
+
 package mongodb
 
 import (

mysql/mysql_test.go

@@ -1,3 +1,5 @@
+// +build mysql
+
 package mysql
 
 import (

postgres/postgres_test.go

@@ -1 +1,3 @@
+// +build postgres
+
 package postgres

redis/redis_test.go

@@ -1,3 +1,5 @@
+// +build redis
+
 package redis
 
 import (