Completely remove old hints connected to the execution environment

spec/lib/whistleblower_spec.rb

@@ -1,28 +0,0 @@
-require 'rails_helper'
-
-describe Whistleblower do
-  let(:hint) { FactoryBot.create(:ruby_no_method_error) }
-  let(:stderr) { "undefined method `foo' for main:Object (NoMethodError)" }
-  let(:whistleblower) { described_class.new(execution_environment: hint.execution_environment) }
-
-  describe '#find_hint' do
-    let(:find_hint) { whistleblower.send(:find_hint, stderr) }
-
-    it 'finds the hint' do
-      expect(find_hint).to eq(hint)
-    end
-
-    it 'stores the matches' do
-      find_hint
-      expect(whistleblower.instance_variable_get(:@matches)).to be_a(MatchData)
-    end
-  end
-
-  describe '#generate_hint' do
-    it 'returns the customized hint message' do
-      message = whistleblower.generate_hint(stderr)
-      expect(message[0..9]).to eq(hint.message[0..9])
-      expect(message[-10..-1]).to eq(hint.message[-10..-1])
-    end
-  end
-end