No it isnt.. what kind of moral victory is that. They still lost
The only time in modern history that the party that controlled the presidency also won the midterms was in 2002, when post-9/11 "patriotism" carried the Republicans.
2006: Democrats take control of the Senate and House, winning in all kinds of improbable places.
2010: Republicans take control of the House with massive gains. Many Democratic incumbents who had held seats for decades lost. They didn't take control of the senate, but they picked up many Senate seats in traditionally blue states (Illinois, Pennsylvania, etc.)
2014: Republicans take control of the Senate (in addition retaining control of the house).
2018: Democrats take control of the House.
Dems avoiding getting wiped out like in 2010 is a good showing. I was worried Republicans would control the house by a huge margin and also control the Senate (while winning seats in states like Pennslyvania, New Hampshire, etc.)