Adjust the test script

Makefile

@@ -1,10 +1,10 @@
-.PHONY: all tests
+.PHONY: all test
 
-all: tests
+all: test
 
-tests:
+test:
 	php vendor/bin/phpcs
-	php vendor/bin/phpunit
+	phpdbg -qrr vendor/bin/phpunit
 
-coverage:
-	php vendor/bin/phpunit --coverage-html build
+coverage: test
+	@if [ "`uname`" = "Darwin" ]; then open build/coverage/index.html; fi

phpunit.xml.dist

@@ -18,4 +18,10 @@
             <directory suffix=".php">./src</directory>
         </whitelist>
     </filter>
+    <logging>
+        <log type="testdox-text" target="build/testdox/executed.txt"/>
+        <log type="coverage-clover" target="build/logs/clover.xml"/>
+        <log type="coverage-html" target="build/coverage" lowUpperBound="30" highLowerBound="70" />
+        <log type="junit" target="build/phpunit/phpunit.xml" />
+    </logging>
 </phpunit>