Add tests (#2)

* Initial tests draft.

* Add tests for parsing jwt token

* Further code optimisations

main_test.go

@@ -0,0 +1,34 @@
+package main
+
+import (
+	"fmt"
+	"testing"
+
+	assertions "github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/suite"
+)
+
+type Tests struct {
+	suite.Suite
+}
+
+var (
+	assert *assertions.Assertions
+)
+
+func (suite *Tests) SetupTest() {
+	assert = assertions.New(suite.T())
+}
+
+func (suite *Tests) BeforeTest(suiteName, testName string) {
+	fmt.Println("BeforeTest")
+	cfg = &config{}
+	parseConfig()
+	StartMonitoringServer()
+}
+
+// func (suite *Tests) AfterTest(suiteName, testName string) {)
+
+func TestSuite(t *testing.T) {
+	suite.Run(t, new(Tests))
+}