Update rspec-rails to version 3.8.2

Gemfile.lock

@@ -69,8 +69,7 @@ GEM
       xpath (~> 3.2)
     cliver (0.3.2)
     coderay (1.1.2)
-    concurrent-ruby (1.0.5)
-    concurrent-ruby (1.0.5-java)
+    concurrent-ruby (1.1.4)
     coveralls (0.8.22)
       json (>= 1.8, < 3)
       simplecov (~> 0.16.1)
@@ -190,7 +189,7 @@ GEM
     mime-types-data (3.2016.0521)
     mimemagic (0.3.2)
     mini_mime (1.0.1)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.4.0)
     minitest (5.11.3)
     mongo (2.6.2)
       bson (>= 4.3.0, < 5.0.0)
@@ -213,9 +212,9 @@ GEM
     multi_xml (0.6.0)
     multipart-post (2.0.0)
     netrc (0.11.0)
-    nokogiri (1.8.5)
-      mini_portile2 (~> 2.3.0)
-    nokogiri (1.8.5-java)
+    nokogiri (1.10.1)
+      mini_portile2 (~> 2.4.0)
+    nokogiri (1.10.1-java)
     oauth2 (1.4.1)
       faraday (>= 0.8, < 0.16.0)
       jwt (>= 1.0, < 3.0)
@@ -342,7 +341,7 @@ GEM
     rspec-mocks (3.8.0)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.8.0)
-    rspec-rails (3.8.1)
+    rspec-rails (3.8.2)
       actionpack (>= 3.0)
       activesupport (>= 3.0)
       railties (>= 3.0)