fix travis and phpunit configs

Author: l0gicgate

.travis.yml

@@ -1,5 +1,7 @@
 language: php
 
+dist: trusty
+
 matrix:
   include:
   - php: 7.1
@@ -12,4 +14,4 @@ matrix:
 
 before_script: composer install
 
-script: phpunit --coverage-text --configuration phpunit.xml.dist
+script: vendor/bin/phpunit --coverage-text --configuration phpunit.xml.dist

phpunit.xml.dist

@@ -1,25 +1,29 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<phpunit backupGlobals="false"
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/4.7/phpunit.xsd"
+         backupGlobals="false"
          backupStaticAttributes="false"
+         beStrictAboutTestsThatDoNotTestAnything="true"
+         beStrictAboutChangesToGlobalState="true"
+         beStrictAboutOutputDuringTests="true"
          colors="true"
          convertErrorsToExceptions="true"
          convertNoticesToExceptions="true"
          convertWarningsToExceptions="true"
          processIsolation="false"
          stopOnFailure="false"
-         syntaxCheck="false"
          bootstrap="tests/bootstrap.php"
 >
     <testsuites>
-        <testsuite name="Renderer Tests">
-            <directory>tests/</directory>
+        <testsuite name="PHP-View Test Suite">
+            <directory>./tests/</directory>
         </testsuite>
     </testsuites>
 
     <filter>
-        <whitelist>
-            <directory>src/</directory>
+        <whitelist processUncoveredFilesFromWhitelist="true">
+            <directory>./src/</directory>
         </whitelist>
     </filter>
 </phpunit>