Remove PHPUnit lock

It should now be PHPUnit 7.4.
Update PHPStan configuration accordingly.
Also, enable `inferPrivatePropertyTypeFromConstructor` for better phpDoc support in constructors.

.travis.yml

@@ -70,7 +70,7 @@ script:
 
     - make fixtures
 
-    - if [[ $VALIDATE_TRANSLATION_FILE = '' ]]; then SYMFONY_PHPUNIT_VERSION=6.5 ./bin/simple-phpunit -v ; fi;
+    - if [[ $VALIDATE_TRANSLATION_FILE = '' ]]; then ./bin/simple-phpunit -v ; fi;
     # PHPStan needs PHPUnit to be installed and cache app to be generated
     - if [[ $VALIDATE_TRANSLATION_FILE = '' ]]; then php bin/phpstan analyse src tests --no-progress --level 1 ; fi;
     - if [[ $CS_FIXER = run ]]; then php bin/php-cs-fixer fix --verbose --dry-run ; fi;

composer.lock

@@ -7130,16 +7130,16 @@
         },
         {
             "name": "sensio/framework-extra-bundle",
-            "version": "v5.4.0",
+            "version": "v5.4.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sensiolabs/SensioFrameworkExtraBundle.git",
-                "reference": "646b3f2a847c1888fd518b9b9d738d3900d7e496"
+                "reference": "585f4b3a1c54f24d1a8431c729fc8f5acca20c8a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sensiolabs/SensioFrameworkExtraBundle/zipball/646b3f2a847c1888fd518b9b9d738d3900d7e496",
-                "reference": "646b3f2a847c1888fd518b9b9d738d3900d7e496",
+                "url": "https://api.github.com/repos/sensiolabs/SensioFrameworkExtraBundle/zipball/585f4b3a1c54f24d1a8431c729fc8f5acca20c8a",
+                "reference": "585f4b3a1c54f24d1a8431c729fc8f5acca20c8a",
                 "shasum": ""
             },
             "require": {
@@ -7199,7 +7199,7 @@
                 "annotations",
                 "controllers"
             ],
-            "time": "2019-07-03T19:53:49+00:00"
+            "time": "2019-07-08T08:31:25+00:00"
         },
         {
             "name": "sensiolabs/security-checker",
@@ -10712,16 +10712,16 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "0.11.10",
+            "version": "0.11.12",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "d5eb89ba61eee89f5380a31c9599626430c25649"
+                "reference": "56b3eb2a371b60537fd20794e24af9e7e8ed4e30"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/d5eb89ba61eee89f5380a31c9599626430c25649",
-                "reference": "d5eb89ba61eee89f5380a31c9599626430c25649",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/56b3eb2a371b60537fd20794e24af9e7e8ed4e30",
+                "reference": "56b3eb2a371b60537fd20794e24af9e7e8ed4e30",
                 "shasum": ""
             },
             "require": {
@@ -10783,7 +10783,7 @@
                 "MIT"
             ],
             "description": "PHPStan - PHP Static Analysis Tool",
-            "time": "2019-07-07T13:50:30+00:00"
+            "time": "2019-07-08T06:55:18+00:00"
         },
         {
             "name": "phpstan/phpstan-doctrine",

phpstan.neon

@@ -10,4 +10,6 @@ parameters:
 
     # https://github.com/phpstan/phpstan/issues/694#issuecomment-350724288
     autoload_files:
-        - vendor/bin/.phpunit/phpunit-6.5/vendor/autoload.php
+        - vendor/bin/.phpunit/phpunit-7.4/vendor/autoload.php
+
+    inferPrivatePropertyTypeFromConstructor: true