fix failing test - testGenerateDump
fix failing test - testGenerateDump

Cake standards expect true, false and null to be lowercase. The code was being generated correctly (lowercase), but was being asserted against an incorrect example (which used uppercase NULL)

Signed-off-by: Joshua Paling <7176df467bdfdaea708047a9df6afb8c26fa3734@gmail.com>

ExpandOnline/migrations