go/cmd/vttestserver/vttestserver_test.go:  Combine TestForeignKeys() and TestDDLModes() into a single TestForiegnKeysAndDDLModes() to reduce the number of cluster spinup/teardown cycles we need to do
go/cmd/vttestserver/vttestserver_test.go:  Combine TestForeignKeys() and TestDDLModes() into a single TestForiegnKeysAndDDLModes() to reduce the number of cluster spinup/teardown cycles we need to do

Signed-off-by: Mike Cronce <dcab2065d59495532bbce07c9af6c778f6afe178@planetscale.com>

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