addressing feedback

Author: Tony Zhang

.github/workflows/unit-test.yml

@@ -26,7 +26,7 @@ jobs:
       - name: Install Go dependencies
         run: go mod download
 
-      - name: Build and Testga.
+      - name: Build and Test
         working-directory: ${{ github.workspace }}
         run: |
           scripts/build.sh

scripts/check_total_coverage.sh

@@ -1,22 +1,25 @@
 #!/usr/bin/env bash
 
 coverage_dir=$(PWD)/coverage
-combined_coverage_file=$coverage_dir/combined.txt
+merged_coverage_dir=$coverage_dir/merged
+merged_coverage_file=$merged_coverage_dir/merged.txt
 COVERAGE_THRESHOLD=15.0 # percentage threshold of code coverage required
 
+echo "Recreating merged coverage directory..."
+rm -rf ${merged_coverage_dir}
+mkdir -p ${merged_coverage_dir}
+
 echo "Generating coverage report in text format..."
 included_packages=$(go list ./... | grep -v /tests/ | grep -v '/sdk/') # not including 'tests' and 'sdk'
-go tool covdata merge -i=$coverage_dir/e2e,$coverage_dir/ut -o=$coverage_dir -pkg=${included_packages//$'\n'/,}
-go tool covdata textfmt -i=./coverage -o $combined_coverage_file
-go tool cover -func $combined_coverage_file
+go tool covdata merge -i=$coverage_dir/e2e,$coverage_dir/ut -o=$merged_coverage_dir -pkg=${included_packages//$'\n'/,}
+go tool covdata textfmt -i=$merged_coverage_dir -o $merged_coverage_file
+go tool cover -func $merged_coverage_file
 
 echo "Checking total coverage..."
 
-# print current test coverage from report
-current_test_coverage=$(go tool cover -func=$combined_coverage_file  | grep -e "total" | awk '{print $3}')
-echo "Current test coverage is $current_test_coverage"
+# TODO: coverage details will be output as a comment in the PR
 
-go tool cover -func=$combined_coverage_file  | grep -e "total" | \
+go tool cover -func=$merged_coverage_file  | grep -e "total" | \
 awk -v coverageThreshold=$COVERAGE_THRESHOLD '{if (($3 - 0.0) < coverageThreshold) \
   {print "Coverage is less than", coverageThreshold, "%. Checking Failed"; exit 1} \
   else \