Fix iOS test native target signing settings

CHANGELOG.md

@@ -55,6 +55,10 @@ To install release candidates run `[sudo] gem install cocoapods --pre`
 
 ##### Bug Fixes
 
+* Fix iOS test native target signing settings  
+  [Dimitris Koutsogiorgas](https://github.com/dnkoutso)
+  [#7504](https://github.com/CocoaPods/CocoaPods/pull/7504)
+
 * Clear input/output paths if they exceed an arbitrary limit  
   [Dimitris Koutsogiorgas](https://github.com/dnkoutso)
   [#7362](https://github.com/CocoaPods/CocoaPods/issues/7362)

lib/cocoapods/installer/xcode/pods_project_generator/pod_target_installer.rb

@@ -278,7 +278,10 @@ module Pod
                 # irrelevant to whether we use frameworks or not.
                 configuration.build_settings['PRODUCT_NAME'] = name
                 # We must codesign iOS XCTest bundles that contain binary frameworks to allow them to be launchable in the simulator
-                configuration.build_settings['CODE_SIGNING_REQUIRED'] = 'YES' unless target.platform == :osx
+                unless target.platform == :osx
+                  configuration.build_settings['CODE_SIGNING_REQUIRED'] = 'YES'
+                  configuration.build_settings['CODE_SIGNING_ALLOWED'] = 'YES'
+                end
                 # For macOS we do not code sign the XCTest bundle because we do not code sign the frameworks either.
                 configuration.build_settings['CODE_SIGN_IDENTITY'] = '' if target.platform == :osx
               end

spec/unit/installer/xcode/pods_project_generator/pod_target_installer_spec.rb

@@ -200,6 +200,7 @@ module Pod
                 native_test_target.build_configurations.each do |bc|
                   bc.build_settings['PRODUCT_NAME'].should == 'CoconutLib-Unit-Tests'
                   bc.build_settings['CODE_SIGNING_REQUIRED'].should == 'YES'
+                  bc.build_settings['CODE_SIGNING_ALLOWED'].should == 'YES'
                   bc.build_settings['CODE_SIGN_IDENTITY'].should == 'iPhone Developer'
                 end
                 native_test_target.symbol_type.should == :unit_test_bundle
@@ -216,6 +217,7 @@ module Pod
                 native_test_target.build_configurations.each do |bc|
                   bc.build_settings['PRODUCT_NAME'].should == 'CoconutLib-Unit-Tests'
                   bc.build_settings['CODE_SIGNING_REQUIRED'].should.be.nil
+                  bc.build_settings['CODE_SIGNING_ALLOWED'].should.be.nil
                   bc.build_settings['CODE_SIGN_IDENTITY'].should == ''
                 end
                 native_test_target.symbol_type.should == :unit_test_bundle