Merge pull request php-vcr#325 from php-vcr/1.5-removing-unused-guzzle-4-test

Removed Guzzle 4 test as Guzzle 4 is not compatible with PHP >= 7.1

Author: JeroenVanOort

.travis.yml

@@ -19,10 +19,6 @@ matrix:
  - docker
  - env: TEST_DIR=tests/integration/guzzle/3
  php: 7.2
-# Guzzle 4 is not compatible with PHP >= 7.1 due to an error in the code that was only fixed in Guzzle 5.
-# See: https://github.com/guzzle/guzzle/pull/1393
-# - env: TEST_DIR=tests/integration/guzzle/4
-# php: 7.2
  - env: TEST_DIR=tests/integration/guzzle/5
  php: 7.2
  - env: TEST_DIR=tests/integration/guzzle/6
@@ -52,7 +48,6 @@ cache:
  directories:
  - vendor
  - tests/integration/guzzle/3/vendor
-# - tests/integration/guzzle/4/vendor
  - tests/integration/guzzle/5/vendor
  - tests/integration/guzzle/6/vendor
  - tests/integration/soap/vendor