public void AssertNumberOfRows(int exhibitId, int expectedValue)
{
var actualNumberOfRowsInEntityTable = new EntityTable(ConnectionString).GetNumberOfRows(exhibitId);
var expectedNumberOfRowsInEntityTable = expectedValue;
Assert.True(actualNumberOfRowsInEntityTable.Equals(expectedNumberOfRowsInEntityTable),
"The number of rows in Entity table is not equal to the expected number. Expected: " +
expectedNumberOfRowsInEntityTable + ", but was: " + actualNumberOfRowsInEntityTable + ". Exhibit id is " + exhibitId);
}