Checking if pear is already available on xenial image

.travis.yml

@@ -5,6 +5,7 @@ node_js:
 before_install:
   - echo "Installing additional dependencies required for running tests on travis"
   - npm run cirequirements
+  - npm test php-httprequest2
 before_script:
   - echo "Installing dev dependencies required of all codegens"
   - npm run deepinstall dev

npm/ci-requirements.sh

@@ -36,10 +36,8 @@ pushd ./codegens/csharp-restsharp &>/dev/null;
 popd &>/dev/null;
 
 echo "Installing dependencies required for tests in codegens/php-httprequest2"
-pushd ./codegens/php-httprequest2 &>/dev/null;
-  wget http://pear.php.net/go-pear.phar -O go-pear.php  
-  php go-pear.php
-popd &>/dev/null;
+php --version
+pear version
 
 echo "Installing dependencies required for tests in codegens/swift"
 pushd ./codegens/swift &>/dev/null;