[linter] Exclude screenshot validation from other tests

spec/unit/validator_spec.rb

@@ -75,6 +75,7 @@ module Pod
         validator = Validator.new(file)
         validator.quick = true
         validator.stubs(:validate_homepage)
+        validator.stubs(:validate_screenshots)
         validator.validate
         validator.validation_dir.should.be == Pathname.new("/private/tmp/CocoaPods/Lint")
       end
@@ -141,6 +142,7 @@ module Pod
         file = write_podspec(stub_podspec)
         sut = Validator.new(file)
         sut.stubs(:validate_homepage)
+        sut.stubs(:validate_screenshots)
         sut.no_clean = true
         sut.validate
         sut.validation_dir.should.exist
@@ -150,6 +152,7 @@ module Pod
         file = write_podspec(stub_podspec)
         sut = Validator.new(file)
         sut.stubs(:validate_homepage)
+        sut.stubs(:validate_screenshots)
         sut.expects(:install_pod).twice
         sut.expects(:build_pod).twice
         sut.expects(:check_file_patterns).twice
@@ -159,6 +162,7 @@ module Pod
       it "uses the deployment target of the specification" do
         sut = Validator.new(podspec_path)
         sut.stubs(:validate_homepage)
+        sut.stubs(:validate_screenshots)
         podfile = sut.send(:podfile_from_spec, :ios, '5.0')
         dependency = podfile.target_definitions['Pods'].dependencies.first
         dependency.external_source.has_key?(:podspec).should.be.true
@@ -167,6 +171,7 @@ module Pod
       it "respects the local option" do
         sut = Validator.new(podspec_path)
         sut.stubs(:validate_homepage)
+        sut.stubs(:validate_screenshots)
         podfile = sut.send(:podfile_from_spec, :ios, '5.0')
         deployment_target = podfile.target_definitions['Pods'].platform.deployment_target
         deployment_target.to_s.should == "5.0"
@@ -177,6 +182,7 @@ module Pod
         sut.stubs(:check_file_patterns)
         sut.stubs(:xcodebuild).returns("file.m:1:1: warning: direct access to objective-c's isa is deprecated")
         sut.stubs(:validate_homepage)
+        sut.stubs(:validate_screenshots)
         sut.validate
         first = sut.results.map(&:to_s).first
         first.should.include "[xcodebuild]"
@@ -188,6 +194,7 @@ module Pod
         sut = Validator.new(file)
         sut.stubs(:build_pod)
         sut.stubs(:validate_homepage)
+        sut.stubs(:validate_screenshots)
         sut.validate
         sut.results.map(&:to_s).first.should.match /source_files.*did not match/
         sut.result_type.should == :error
@@ -202,6 +209,7 @@ module Pod
         spec = Specification.from_file(file)
         sut = Validator.new(spec)
         sut.stubs(:validate_homepage)
+        sut.stubs(:validate_screenshots)
         sut.stubs(:build_pod)
         sut.validate
         sut.validated?.should.be.true