Rename infection.json to infection.json.dist and move test framework options to config

Author: marijnvanwezel

.github/workflows/main.yml

@@ -45,7 +45,7 @@ jobs:
         run: php vendor/bin/coverage-check coverage/clover.xml ${{ env.MINIMUM_COVERAGE_PERCENTAGE }}
 
       - name: Run mutation tests
-        run: XDEBUG_MODE=coverage php vendor/bin/infection --show-mutations --min-msi=${{ env.MINIMUM_MSI_PERCENTAGE }} --threads=4 --test-framework-options="--testsuite=unit"
+        run: XDEBUG_MODE=coverage php vendor/bin/infection --show-mutations --min-msi=${{ env.MINIMUM_MSI_PERCENTAGE }} --threads=4
 
 
   integration:

infection.json renamed to infection.json.dist

@@ -7,5 +7,6 @@
     },
     "mutators": {
         "@default": true
-    }
+    },
+    "testFrameworkOptions": "--testsuite=unit"
 }