t.Fatal("exec wipe", err)
	}

	_, err = conn.ExecContext(ctx, "CREATE|keys|v1=string")
	if err != nil {
		t.Fatal("exec create", err)
	}
	expectedValue := "value1"
	_, err = conn.ExecContext(ctx, "INSERT|keys|v1=?", expectedValue)
	if err != nil {
		t.Fatal("exec insert", err)
	}
	rows, err := conn.QueryContext(ctx, "SELECT|keys|v1|")
	if err != nil {
		t.Fatal("query select", err)
	}

type check struct {
	*testing.T
	testType string
}

// Assert - checks if gotValue is same as expectedValue, if not fails the test.
func (c *check) Assert(gotValue interface{}, expectedValue interface{}) {
	c.Helper()
	if !reflect.DeepEqual(gotValue, expectedValue) {
		c.Fatalf("Test %s expected %v, got %v", c.testType, expectedValue, gotValue)
	}
}