fix flacky specs

Author: tycooon

spec/command_guesser_spec.rb

@@ -5,44 +5,44 @@
 describe SimpleCov::CommandGuesser do
   subject { SimpleCov::CommandGuesser }
   it 'correctly guesses "Unit Tests" for unit tests' do
-    subject.original_run_command = "/some/path/test/units/foo_bar_test.rb"
+    allow(subject).to receive(:original_run_command) { "/some/path/test/units/foo_bar_test.rb" }
     expect(subject.guess).to eq("Unit Tests")
-    subject.original_run_command = "test/units/foo.rb"
+    allow(subject).to receive(:original_run_command) { "test/units/foo.rb" }
     expect(subject.guess).to eq("Unit Tests")
-    subject.original_run_command = "test/foo.rb"
+    allow(subject).to receive(:original_run_command) { "test/foo.rb" }
     expect(subject.guess).to eq("Unit Tests")
-    subject.original_run_command = "test/{models,helpers,unit}/**/*_test.rb"
+    allow(subject).to receive(:original_run_command) { "test/{models,helpers,unit}/**/*_test.rb" }
     expect(subject.guess).to eq("Unit Tests")
   end
 
   it 'correctly guesses "Functional Tests" for functional tests' do
-    subject.original_run_command = "/some/path/test/functional/foo_bar_controller_test.rb"
+    allow(subject).to receive(:original_run_command) { "/some/path/test/functional/foo_bar_controller_test.rb" }
     expect(subject.guess).to eq("Functional Tests")
-    subject.original_run_command = "test/{controllers,mailers,functional}/**/*_test.rb"
+    allow(subject).to receive(:original_run_command) { "test/{controllers,mailers,functional}/**/*_test.rb" }
     expect(subject.guess).to eq("Functional Tests")
   end
 
   it 'correctly guesses "Integration Tests" for integration tests' do
-    subject.original_run_command = "/some/path/test/integration/foo_bar_controller_test.rb"
+    allow(subject).to receive(:original_run_command) { "/some/path/test/integration/foo_bar_controller_test.rb" }
     expect(subject.guess).to eq("Integration Tests")
-    subject.original_run_command = "test/integration/**/*_test.rb"
+    allow(subject).to receive(:original_run_command) { "test/integration/**/*_test.rb" }
     expect(subject.guess).to eq("Integration Tests")
   end
 
   it 'correctly guesses "Cucumber Features" for cucumber features' do
-    subject.original_run_command = "features"
+    allow(subject).to receive(:original_run_command) { "features" }
     expect(subject.guess).to eq("Cucumber Features")
-    subject.original_run_command = "cucumber"
+    allow(subject).to receive(:original_run_command) { "cucumber" }
     expect(subject.guess).to eq("Cucumber Features")
   end
 
   it 'correctly guesses "RSpec" for RSpec' do
-    subject.original_run_command = "/some/path/spec/foo.rb"
+    allow(subject).to receive(:original_run_command) { "/some/path/spec/foo.rb" }
     expect(subject.guess).to eq("RSpec")
   end
 
   it "defaults to RSpec because RSpec constant is defined" do
-    subject.original_run_command = "some_arbitrary_command with arguments"
+    allow(subject).to receive(:original_run_command) { "some_arbitrary_command with arguments" }
     expect(subject.guess).to eq("RSpec")
   end
 end