Make the Erlang test return pending if no Erlang is installed

features/step_definitions/appcloud_steps.rb

@@ -181,16 +181,16 @@
 
 Given /^I have built a simple Erlang application$/ do
   # Try to find an appropriate Erlang
-  make_prefix = ''
-  path_erl_v = `erl -version 2>&1`
-  unless path_erl_v =~ /.*5.8.4$/
-    raise "No appropriate Erlang R14B02 runtime found" unless File.exists? '/opt/vcap/runtimes/erlang-R14B02/bin/erl'
-    make_prefix = "PATH=/opt/vcap/runtimes/erlang-R14B02/bin:$PATH"
+  erlang_path = '/opt/vcap/runtimes/erlang-R14B02/bin'
+  path_erl_v = `#{erlang_path}/erl -version 2>&1`.strip
+  unless path_erl_v =~ /.*5.7.4$/
+    pending "Not running Erlang test because the Erlang runtime is not installed"
+  else
+    Dir.chdir("#{@testapps_dir}/#{SIMPLE_ERLANG_APP}")
+    make_prefix = "PATH=#{erlang_path}:$PATH"
+    rel_build_result = `#{make_prefix} make relclean rel`
+    raise "Erlang application build failed: #{rel_build_result}" if $? != 0
   end
-
-  Dir.chdir("#{@testapps_dir}/#{SIMPLE_ERLANG_APP}")
-  rel_build_result = `#{make_prefix} make relclean rel`
-  raise "Erlang application build failed: #{rel_build_result}" if $? != 0
 end
 
 Given /^I have deployed a simple Erlang application$/ do