Add failing test

[vvval]

When changing PK declaration from

@Column(type=primary)

to

@Column(type=bigint, primary=true)

tests fail with next error (reproduced on PostgreSQL)

Cycle\Migrations\Tests\Driver\Postgres\ReflectTest::testAlter
Column primary_to_primary_bigints.id has been changed
Failed asserting that false is true.

.../Cycle/migrations/tests/Migrations/BaseTest.php:339
.../Cycle/migrations/tests/Migrations/ReflectTest.php:67