What were the Laodicean church members supposed to do? In light of this exhortation, neglecting not the gathering together to meet and assemble

“not neglecting to meet together, as is the habit of some, but encouraging one another, and all the more as you see the Day drawing near.”
‭‭Hebrews‬ ‭10:25‬ ‭

What was a Laodicean church member who attended supposed to do in a church that perceived itself as fine but was said to be lacking

“For you say, I am rich, I have prospered, and I need nothing, not realizing that you are wretched, pitiable, poor, blind, and naked.”
‭‭Revelation‬ ‭3:17‬ ‭

If the church was judged collectively, what was the individual to do if the rest (majority) of the church refused to be zealous and repent?
Was he to remain a member there and suffer the fate of that church/city? Lacking spiritual growth and godliness?
What would be the expectation from Jesus for the individual who did repent and was zealous, despite the rest of the church being in disobedience?

Should they continue to attend that church
Are they expected to move to another city
Something else
This is part of a wider question about what believers should do when the find themselves belonging to a church which has gone astray. There are no easy answers and much will depend on the actual context.
In the specific instance of Laodicea, if hypothetically the church did not repent, then I think their lampstand being removed would equate to them not being a church any more. If there were faithful members within the church who did obey, then I think 2 Corinthians 6:17 would be applicable. If you believe that the church has gone astray to the point of not being Christian any more, then the only option left is to separate.
I would hope there would be a number of faithful believers left in Laodicea who would be able to meet together and form a church. If not, then perhaps moving would be an option. I hope that God would give clear guidance in that situation.
In the 21st century there are analogous situations, e.g. what happens when churches break off from mainline denominations such as ACNA breaking off from the Episcopal Church in America.