Configure infection

Author: jakzal

composer.json

@@ -7,6 +7,9 @@
         "phpunit/phpunit": "^6.0",
         "phpdocumentor/reflection-docblock": "^4.0"
     },
+    "require-dev": {
+        "infection/infection": "^0.7.0"
+    },
     "autoload": {
         "psr-4": {
             "Zalas\\PHPUnit\\DependencyInjection\\": "src"

infection.json.dist

@@ -0,0 +1,11 @@
+{
+    "timeout": 2,
+    "source": {
+        "directories": [
+            "src"
+        ]
+    },
+    "logs": {
+        "text": "build/infection-log.txt"
+    }
+}