@Test
public void testExpectRows_ArryaTypeMismatch() {

    DataFrame df = DataFrame.newFrame("a").foldByRow(new int[]{3, 4, 5});
    DataFrameAsserts asserts = new DataFrameAsserts(df, "a");
    assertThrows(AssertionError.class, () -> asserts.expectRow(0, new Object[]{new long[]{3, 4, 5}}));
}