diff --git a/Gopkg.lock b/Gopkg.lock
index 316f347..cd9bf40 100644
--- a/Gopkg.lock
+++ b/Gopkg.lock
@@ -1,6 +1,14 @@
 # This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'.
 
 
+[[projects]]
+  digest = "1:922bd72f17793b0a3392b89552680850ecced7c35fba3e1afd6fcda86d6af3fb"
+  name = "github.com/dasrick/go-teams-notify"
+  packages = ["."]
+  pruneopts = "UT"
+  revision = "bc0163bde8aac788dd03c31d2879a55b49e226d2"
+  version = "v1.1.1"
+
 [[projects]]
   digest = "1:ffe9824d294da03b391f44e1ae8281281b4afc1bdaa9588c9097785e3af10cec"
   name = "github.com/davecgh/go-spew"
@@ -18,9 +26,20 @@
   version = "v1.0.0"
 
 [[projects]]
-  digest = "1:972c2427413d41a1e06ca4897e8528e5a1622894050e2f527b38ddf0f343f759"
+  digest = "1:ac83cf90d08b63ad5f7e020ef480d319ae890c208f8524622a2f3136e2686b02"
+  name = "github.com/stretchr/objx"
+  packages = ["."]
+  pruneopts = "UT"
+  revision = "477a77ecc69700c7cdeb1fa9e129548e1c1c393c"
+  version = "v0.1.1"
+
+[[projects]]
+  digest = "1:0bcc464dabcfad5393daf87c3f8142911d0f6c52569b837e91a1c15e890265f3"
   name = "github.com/stretchr/testify"
-  packages = ["assert"]
+  packages = [
+    "assert",
+    "mock",
+  ]
   pruneopts = "UT"
   revision = "ffdc059bfe9ce6a4e144ba849dbedead332c6053"
   version = "v1.3.0"
@@ -28,6 +47,10 @@
 [solve-meta]
   analyzer-name = "dep"
   analyzer-version = 1
-  input-imports = ["github.com/stretchr/testify/assert"]
+  input-imports = [
+    "github.com/dasrick/go-teams-notify",
+    "github.com/stretchr/testify/assert",
+    "github.com/stretchr/testify/mock",
+  ]
   solver-name = "gps-cdcl"
   solver-version = 1
diff --git a/mocks/API.go b/mocks/API.go
new file mode 100644
index 0000000..a3736f7
--- /dev/null
+++ b/mocks/API.go
@@ -0,0 +1,27 @@
+// Code generated by mockery v1.0.0. DO NOT EDIT.
+
+package mocks
+
+import (
+	goteamsnotify "github.com/dasrick/go-teams-notify"
+	mock "github.com/stretchr/testify/mock"
+)
+
+// API is an autogenerated mock type for the API type
+type API struct {
+	mock.Mock
+}
+
+// Send provides a mock function with given fields: webhookURL, webhookMessage
+func (_m *API) Send(webhookURL string, webhookMessage goteamsnotify.MessageCard) error {
+	ret := _m.Called(webhookURL, webhookMessage)
+
+	var r0 error
+	if rf, ok := ret.Get(0).(func(string, goteamsnotify.MessageCard) error); ok {
+		r0 = rf(webhookURL, webhookMessage)
+	} else {
+		r0 = ret.Error(0)
+	}
+
+	return r0
+}
diff --git a/send.go b/send.go
index 3b81569..146c570 100644
--- a/send.go
+++ b/send.go
@@ -35,7 +35,7 @@ func (c teamsClient) Send(webhookURL string, webhookMessage MessageCard) error {
 	// validate url
 	// needs to look like: https://outlook.office.com/webhook/xxx
 	valid, err := isValidWebhookURL(webhookURL)
-	if valid != true {
+	if !valid {
 		return err
 	}
 	// prepare message
@@ -83,7 +83,7 @@ func isValidWebhookURL(webhookURL string) (bool, error) {
 	}
 	// only pass MS teams webhook URLs
 	hasPrefix := strings.HasPrefix(webhookURL, "https://outlook.office.com/webhook/")
-	if hasPrefix != true {
+	if !hasPrefix {
 		err = errors.New("unvalid ms teams webhook url")
 		return false, err
 	}