chore(elixir-client): Add test preventing regressions of Phoenix.Sync bug

[magnetised]

electric-sql/phoenix_sync#63

Due to inappropriate casting of 16 byte binaries to UUIDs in the postgres query builder.

[codecov]

❌ 2 Tests Failed:

Tests completed	Failed	Passed	Skipped
2226	2	2224	1007

View the top 2 failed test(s) by shortest run time

Elixir.Electric.Connection.ConnectionManagerTest::test status monitor resets the status when connection manager goes down

Stack Traces | 0.104s run time

2) test status monitor resets the status when connection manager goes down (Electric.Connection.ConnectionManagerTest)
     .../electric/connection/manager_test.exs:101
     Assertion with == failed
     code:  assert StatusMonitor.status(stack_id) == :waiting
     left:  :starting
     right: :waiting
     stacktrace:
       .../electric/connection/manager_test.exs:131: (test)

Elixir.Electric.Shapes.ConsumerTest::test event handling handles truncate without appending to log

Stack Traces | 0.439s run time

12) test event handling handles truncate without appending to log (Electric.Shapes.ConsumerTest)
     .../electric/shapes/consumer_test.exs:324
     Assertion failed, no matching message after 400ms
     Showing 10 of 12 messages in the mailbox
     code: assert_receive {Electric.Shapes.Monitor, :cleanup, @shape_handle1}
     mailbox:
       pattern: {Electric.Shapes.Monitor, :cleanup, "Elixir.Electric.Shapes.ConsumerTest-shape1"}
       value:   {Support.TestStorage, :get_current_position, "Elixir.Electric.Shapes.ConsumerTest-shape1"}

       pattern: {Electric.Shapes.Monitor, :cleanup, "Elixir.Electric.Shapes.ConsumerTest-shape1"}
       value:   {Support.TestStorage, :snapshot_started?, "Elixir.Electric.Shapes.ConsumerTest-shape1"}

       pattern: {Electric.Shapes.Monitor, :cleanup, "Elixir.Electric.Shapes.ConsumerTest-shape1"}
       value:   {Support.TestStorage, :mark_snapshot_as_started, "Elixir.Electric.Shapes.ConsumerTest-shape1"}

       pattern: {Electric.Shapes.Monitor, :cleanup, "Elixir.Electric.Shapes.ConsumerTest-shape1"}
       value:   {Support.TestStorage, :for_shape, "Elixir.Electric.Shapes.ConsumerTest-shape2"}

       pattern: {Electric.Shapes.Monitor, :cleanup, "Elixir.Electric.Shapes.ConsumerTest-shape1"}
       value:   {Support.TestStorage, :initialise, "Elixir.Electric.Shapes.ConsumerTest-shape2"}

       pattern: {Electric.Shapes.Monitor, :cleanup, "Elixir.Electric.Shapes.ConsumerTest-shape1"}
       value:   {Support.TestStorage, :get_current_position, "Elixir.Electric.Shapes.ConsumerTest-shape2"}

       pattern: {Electric.Shapes.Monitor, :cleanup, "Elixir.Electric.Shapes.ConsumerTest-shape1"}
       value:   {Support.TestStorage, :snapshot_started?, "Elixir.Electric.Shapes.ConsumerTest-shape2"}

       pattern: {Electric.Shapes.Monitor, :cleanup, "Elixir.Electric.Shapes.ConsumerTest-shape1"}
       value:   {Support.TestStorage, :mark_snapshot_as_started, "Elixir.Electric.Shapes.ConsumerTest-shape2"}

       pattern: {Electric.Shapes.Monitor, :cleanup, "Elixir.Electric.Shapes.ConsumerTest-shape1"}
       value:   {Support.TestStorage, :set_pg_snapshot, "Elixir.Electric.Shapes.ConsumerTest-shape1", %{xmin: 100, xmax: 101, xip_list: ~c"d", filter_txns?: false}}

       pattern: {Electric.Shapes.Monitor, :cleanup, "Elixir.Electric.Shapes.ConsumerTest-shape1"}
       value:   {Electric.Shapes.Monitor, :remove, "Elixir.Electric.Shapes.ConsumerTest-shape1"}
     stacktrace:
       .../electric/shapes/consumer_test.exs:343: (test)

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