Fix code coverage on PHP 7.1

Author: colinodell

.github/workflows/tests.yml

@@ -28,10 +28,13 @@ jobs:
         runs-on: ubuntu-latest
         strategy:
             matrix:
-                php: ['7.1', '7.2', '7.3', '7.4']
-                coverage: [true]
+                php: ['7.2', '7.3', '7.4']
+                coverage: [pcov]
                 composer-flags: ['']
                 include:
+                    - php: '7.1'
+                      coverage: xdebug
+                      composer-flags: ''
                     - php: '8.0'
                       coverage: false
                       composer-flags: '--ignore-platform-req=php'
@@ -43,7 +46,7 @@ jobs:
               with:
                   php-version: ${{ matrix.php }}
                   extensions: curl
-                  coverage: pcov
+                  coverage: ${{ matrix.coverage }}
                   tools: composer:v2
 
             - run: echo "::add-matcher::${{ runner.tool_cache }}/phpunit.json"
@@ -55,10 +58,10 @@ jobs:
             - run: composer update --no-progress ${{ matrix.composer-flags }}
 
             - run: vendor/bin/phpunit --no-coverage
-              if: ${{ !matrix.coverage }}
+              if: ${{ matrix.coverage == 'none' }}
 
             - run: vendor/bin/phpunit --coverage-text
-              if: ${{ matrix.coverage }}
+              if: ${{ matrix.coverage != 'none' }}
 
     phpstan:
         name: PHPStan