added comments to the tests function and fix some typo

tests/kira_test.go

@@ -10,6 +10,7 @@ import (
 	"github.com/go-kira/kira"
 )
 
+// Create a server with initial routes.
 func setupServer() *httptest.Server {
 	app := kira.New()
 
@@ -31,6 +32,8 @@ func setupServer() *httptest.Server {
 
 	return ts
 }
+
+// Test against GET requests.
 func getResponse(path string) ([]byte, error) {
 	ts := setupServer()
 	defer ts.Close()
@@ -78,7 +81,7 @@ func TestTemplateNotExists(t *testing.T) {
 	}
 
 	// Assert
-	if fmt.Sprintf("%s", content) != "not existss" {
-		t.Errorf("The response is not equal to: `Kira Template`, is equal to: %s", content)
+	if fmt.Sprintf("%s", content) != "not exists" {
+		t.Errorf("The response is not equal to: `not exists`, is equal to: %s", content)
 	}
 }