Added slather for generating coverage report

Author: NidhiDixit09

.github/workflows/verify.yml

@@ -45,4 +45,4 @@ jobs:
       - name: Upload codecov  results
         uses: codecov/codecov-action@v3
         with:
-          files: ./fastlane/test_output/report.html
+          files: ./fastlane/test_output/cobertura.xml

Gemfile

@@ -3,6 +3,7 @@ source 'https://rubygems.org'
 gem 'cocoapods', '~> 1.9'
 gem 'fastlane', '~> 2.69'
 gem 'pattern_patch', '~> 0.5'
+gem 'slather'  
 
 plugins_path = File.join(File.dirname(__FILE__), 'fastlane', 'Pluginfile')
 eval_gemfile(plugins_path) if File.exist?(plugins_path)

fastlane/Fastfile

@@ -15,6 +15,13 @@ lane :unit_tests do
   prepare_pods
   # This testplan only runs unit tests for PR verification.
   scan scheme: 'Branch-TestBed-CI'
+  slather(
+      cobertura_xml: true,
+      output_directory: "./fastlane/test_output",
+      proj: "./Branch-TestBed/Branch-TestBed.xcodeproj",
+      workspace: "./Branch-TestBed/Branch-TestBed.xcworkspace",
+      scheme: "Branch-TestBed-CI"
+)
 end
 
 lane :integration_tests do