updated travis and cleaned dist version

Author: Tetragramat

.gitattributes

@@ -0,0 +1,6 @@
+* text=auto
+
+# ignore for dist
+/Tests export-ignore
+/.travis.yml export-ignore
+/phpunit.xml.dist export-ignore

.travis.yml

@@ -1,16 +1,20 @@
 language: php
 
+cache:
+    directories:
+        - $HOME/.composer/cache/files
+
 php:
     - '7.1'
     - '7.2'
     - '7.3'
     - '7.4'
 
 install:
-    - travis_retry composer install --no-interaction --prefer-source
+    - travis_retry composer install --prefer-dist --no-interaction
 
 script:
-    - composer test -- --coverage-clover=coverage.xml
+    - vendor/bin/phpunit --coverage-clover=coverage.xml
 
 after_success:
     - bash <(curl -s https://codecov.io/bash)

composer.json

@@ -35,10 +35,5 @@
         "psr-4": {
             "Czechphp\\ICOValidator\\Tests\\": "Tests/"
         }
-    },
-    "scripts": {
-        "test": [
-            "phpunit"
-        ]
     }
 }