Tests: Move phpunit config from composer script to config file (#24)

Author: sirbrillig

composer.json

@@ -24,7 +24,7 @@
     "minimum-stability": "dev",
     "prefer-stable": true,
     "scripts": {
-        "test": "./vendor/bin/phpunit --bootstrap ./VariableAnalysis/Tests/bootstrap.php --printer=LimeDeck\\\\Testing\\\\Printer ./VariableAnalysis/Tests"
+        "test": "./vendor/bin/phpunit"
     },
     "require" : {
         "php" : ">=5.4.0"

phpunit.xml

@@ -0,0 +1,10 @@
+<phpunit
+	bootstrap="VariableAnalysis/Tests/bootstrap.php"
+	printerClass="LimeDeck\Testing\Printer"
+	>
+	<testsuites>
+		<testsuite>
+			<directory>VariableAnalysis/Tests</directory>
+		</testsuite>
+	</testsuites>
+</phpunit>