Fix rscript command

Author: erfemega

codegens/r-httr/package.json

@@ -6,8 +6,8 @@
   "com_postman_plugin": {
     "type": "code_generator",
     "lang": "r",
-    "variant": "<<VARIANT>>",
-    "syntax_mode": "<<SYNTAX_MODE>>"
+    "variant": "httr",
+    "syntax_mode": "r"
   },
   "directories": {
     "lib": "lib",
@@ -24,7 +24,7 @@
   },
   "author": "$AUTHOR_NAME",
   "license": "Apache-2.0",
-  "homepage": "https://github.com/postmanlabs/code-generators/tree/master/codegens/<<CODEGEN_NAME>>",
+  "homepage": "https://github.com/postmanlabs/code-generators/tree/master/codegens/r-httr",
   "dependencies": {},
   "devDependencies": {},
   "engines": {

codegens/r-httr/test/newman/newman.test.js

@@ -12,7 +12,7 @@ describe('r-httr Converter', function () {
         // filename along with the appropriate version of the file. This file will be used to run the snippet.
         fileName: 'snippet.r',
         // Run script required to run the generated code snippet
-        runScript: 'RScript snippet.r',
+        runScript: 'Rscript snippet.r',
         skipCollections: ['redirectCollection']
       };
     runNewmanTest(convert, options, testConfig);

npm/ci-requirements.sh

@@ -89,4 +89,4 @@ echo "Installing dependencies required for tests in codegens/r-rCurl and r-httr
   sudo apt-get install r-base
 
 echo "Installing httr"
-R --vanilla -e 'install.packages("httr", version="1.4.2", repos="http://cran.us.r-project.org")'
+  sudo R --vanilla -e 'install.packages("httr", version="1.4.2", repos="http://cran.us.r-project.org")'