add user tests

go.mod

@@ -6,7 +6,6 @@ toolchain go1.24.9
 
 require (
 	github.com/Masterminds/squirrel v1.5.4
-	github.com/gin-gonic/gin v1.10.0
 	github.com/go-playground/validator/v10 v10.28.0
 	github.com/golang-jwt/jwt/v5 v5.3.0
 	github.com/golang-migrate/migrate/v4 v4.19.0
@@ -16,6 +15,8 @@ require (
 	github.com/joho/godotenv v1.5.1
 	github.com/lib/pq v1.10.9
 	github.com/redis/go-redis/v9 v9.16.0
+	github.com/stretchr/testify v1.10.0
+	go.uber.org/mock v0.6.0
 	golang.org/x/crypto v0.42.0
 	google.golang.org/grpc v1.76.0
 	google.golang.org/protobuf v1.36.10
@@ -23,6 +24,7 @@ require (
 
 require (
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
 	github.com/gabriel-vasile/mimetype v1.4.10 // indirect
 	github.com/go-playground/locales v0.14.1 // indirect
@@ -33,6 +35,7 @@ require (
 	github.com/lann/builder v0.0.0-20180802200727-47ae307949d0 // indirect
 	github.com/lann/ps v0.0.0-20150810152359-62de8c46ede0 // indirect
 	github.com/leodido/go-urn v1.4.0 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/rogpeppe/go-internal v1.14.1 // indirect
 	go.yaml.in/yaml/v3 v3.0.4 // indirect
 	golang.org/x/net v0.43.0 // indirect
@@ -41,6 +44,7 @@ require (
 	google.golang.org/genproto/googleapis/api v0.0.0-20250929231259-57b25ae835d4 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20250929231259-57b25ae835d4 // indirect
 	google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.5.1 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
 
 tool (