ci(mocktail): fix test step in workflow (#151)

Author: felangel

.github/workflows/mocktail.yaml

@@ -35,9 +35,8 @@ jobs:
 
       - name: Run Tests
         run: |
-          dart pub global activate test_coverage          
-          export PATH=$PATH:$HOME/.pub-cache/bin
-          test_coverage
+          dart pub global activate coverage 1.2.0
+          dart test --coverage=coverage && dart pub global run coverage:format_coverage --lcov --in=coverage --out=coverage/lcov.info --packages=.dart_tool/package_config.json --report-on=lib
 
       - name: Check Code Coverage
         uses: VeryGoodOpenSource/very_good_coverage@v1.2.0
@@ -48,7 +47,7 @@ jobs:
     defaults:
       run:
         working-directory: packages/mocktail
-        
+
     runs-on: ubuntu-latest
 
     steps:
@@ -60,6 +59,6 @@ jobs:
         run: |
           flutter packages get
           flutter pub global activate pana
-      
+
       - name: Verify Pub Score
-        run: ../../tool/verify_pub_score.sh
+        run: ../../tool/verify_pub_score.sh