Table-Driven Tests for People Who Hate Writing Tests

func TestFormatUGX(t *testing.T) {
	tests := []struct {
		name string
		in   int64
		want string
	}{
		{"zero", 0, "UGX 0"},
		{"thousands", 125000, "UGX 125,000"},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if got := FormatUGX(tt.in); got != tt.want {
				t.Errorf("FormatUGX(%d) = %q, want %q", tt.in, got, tt.want)
			}
		})
	}
}