let class names reflect its purpose (in tests)

spec/models/initial_state_proc.rb

@@ -0,0 +1,15 @@
+class InitialStateProc
+  RICH = 1_000_000
+
+  attr_accessor :balance
+
+  include AASM
+  aasm do
+    state :retired
+    state :selling_bad_mortgages
+    initial_state Proc.new { |banker| banker.rich? ? :retired : :selling_bad_mortgages }
+  end
+
+  def initialize(balance = 0); self.balance = balance; end
+  def rich?; self.balance >= RICH; end
+end

spec/models/no_initial_state.rb

@@ -0,0 +1,12 @@
+class NoInitialState
+  include AASM
+
+  aasm do
+    state :read
+    state :ended
+
+    event :foo do
+      transitions :to => :ended, :from => [:read]
+    end
+  end
+end

spec/unit/initial_state_spec.rb

@@ -1,27 +1,12 @@
 require 'spec_helper'
 
-class Banker
-  include AASM
-  aasm do
-    state :retired
-    state :selling_bad_mortgages
-    initial_state Proc.new { |banker| banker.rich? ? :retired : :selling_bad_mortgages }
-  end
-  RICH = 1_000_000
-  attr_accessor :balance
-  def initialize(balance = 0); self.balance = balance; end
-  def rich?; self.balance >= RICH; end
-end
-
 describe 'initial states' do
-  let(:bar) {Bar.new}
-
   it 'should use the first state defined if no initial state is given' do
-    expect(bar.aasm.current_state).to eq(:read)
+    expect(NoInitialState.new.aasm.current_state).to eq(:read)
   end
 
   it 'should determine initial state from the Proc results' do
-    expect(Banker.new(Banker::RICH - 1).aasm.current_state).to eq(:selling_bad_mortgages)
-    expect(Banker.new(Banker::RICH + 1).aasm.current_state).to eq(:retired)
+    expect(InitialStateProc.new(InitialStateProc::RICH - 1).aasm.current_state).to eq(:selling_bad_mortgages)
+    expect(InitialStateProc.new(InitialStateProc::RICH + 1).aasm.current_state).to eq(:retired)
   end
 end