diff --git a/cloudapi/errors_test.go b/cloudapi/errors_test.go
new file mode 100644
index 00000000000..79e2dc0d3c6
--- /dev/null
+++ b/cloudapi/errors_test.go
@@ -0,0 +1,35 @@
+package cloudapi
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestContains(t *testing.T) {
+	t.Parallel()
+
+	s := []string{"a", "b", "c"}
+
+	assert.False(t, contains(s, "e"))
+	assert.True(t, contains(s, "b"))
+}
+
+func TestErrorResponse_Error(t *testing.T) {
+	t.Parallel()
+
+	msg1 := "some message"
+	msg2 := "some other message"
+
+	errResp := ErrorResponse{
+		Message: msg1,
+		Errors:  []string{msg2},
+		FieldErrors: map[string][]string{
+			"field1": {"error1", "error2"},
+		},
+		Code: 123,
+	}
+
+	expected := "(E123) " + msg1 + "\n " + msg2 + "\n field1: error1, error2"
+	assert.Equal(t, expected, errResp.Error())
+}
diff --git a/cloudapi/util_test.go b/cloudapi/util_test.go
new file mode 100644
index 00000000000..cef495f0e31
--- /dev/null
+++ b/cloudapi/util_test.go
@@ -0,0 +1,26 @@
+package cloudapi
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+	"gopkg.in/guregu/null.v3"
+)
+
+func TestURLForResults(t *testing.T) {
+	t.Parallel()
+
+	webAppURL := "http://example.com"
+	testRunDetails := "http://example-new.com"
+	refID := "1234"
+
+	conf := Config{
+		WebAppURL: null.NewString(webAppURL, true),
+	}
+
+	expected := fmt.Sprintf("%s/runs/%s", webAppURL, refID)
+	require.Equal(t, expected, URLForResults(refID, conf))
+	conf.TestRunDetails = null.NewString(testRunDetails, true)
+	require.Equal(t, testRunDetails, URLForResults(refID, conf))
+}