main: add more tests

main_test.go

@@ -14,3 +14,17 @@ func TestGreetingText(t *testing.T) {
 		t.Errorf("Incorrect initial greeting, want: %q, got: %q", want, got.Text)
 	}
 }
+
+func TestLocalgetVersion(t *testing.T) {
+	want := version
+	got := getVersion()
+
+	if got != want {
+		t.Errorf("Incorrect version from getVersion, want: %q, got: %q", want, got)
+	}
+}
+
+// does this test even make sense?
+func TestExecMain(t *testing.T) {
+	go main()
+}