Revert "Bump rspec and rspec-rails versions"

This reverts commit de9fcc0.

This change corresponded with the broker_api_compatibility tests
breaking in the pipeline. I'm not able to reproduce locally, so we shall
see if this commit was the culprit.

Author: Gerg

Gemfile

@@ -81,11 +81,11 @@ group :test do
   gem 'machinist', '~> 1.0.6'
   gem 'parallel_tests'
   gem 'rack-test'
-  gem 'rspec', '~> 3.9.0'
+  gem 'rspec', '~> 3.8.0'
   gem 'rspec-collection_matchers'
   gem 'rspec-instafail'
   gem 'rspec-its'
-  gem 'rspec-rails', '~> 3.9.1'
+  gem 'rspec-rails', '~> 3.8.3'
   gem 'rspec-wait'
   gem 'rspec_api_documentation', '>= 6.1.0'
   gem 'rubocop', '~> 0.79.0'

Gemfile.lock

@@ -118,7 +118,7 @@ GEM
     codeclimate-test-reporter (1.0.9)
       simplecov (<= 0.13)
     coderay (1.1.3)
-    concurrent-ruby (1.1.7)
+    concurrent-ruby (1.1.6)
     cookiejar (0.3.3)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
@@ -240,7 +240,7 @@ GEM
       ffi-compiler (>= 1.0, < 2.0)
     http_parser.rb (0.6.0)
     httpclient (2.8.3)
-    i18n (1.8.5)
+    i18n (1.8.2)
       concurrent-ruby (~> 1.0)
     ipaddress (0.8.3)
     jaro_winkler (1.5.4)
@@ -263,7 +263,7 @@ GEM
       rb-inotify (~> 0.9, >= 0.9.10)
     loggregator_emitter (5.2.0)
       beefcake (~> 1.0.0)
-    loofah (2.7.0)
+    loofah (2.5.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     machinist (1.0.6)
@@ -276,7 +276,7 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2020.0512)
     mini_portile2 (2.4.0)
-    minitest (5.14.2)
+    minitest (5.14.1)
     ms_rest (0.6.4)
       concurrent-ruby (~> 1.0)
       faraday (~> 0.9)
@@ -359,34 +359,34 @@ GEM
     rfc822 (0.1.5)
     roodi (5.0.0)
       ruby_parser (~> 3.2, >= 3.2.2)
-    rspec (3.9.0)
-      rspec-core (~> 3.9.0)
-      rspec-expectations (~> 3.9.0)
-      rspec-mocks (~> 3.9.0)
+    rspec (3.8.0)
+      rspec-core (~> 3.8.0)
+      rspec-expectations (~> 3.8.0)
+      rspec-mocks (~> 3.8.0)
     rspec-collection_matchers (1.2.0)
       rspec-expectations (>= 2.99.0.beta1)
-    rspec-core (3.9.3)
-      rspec-support (~> 3.9.3)
-    rspec-expectations (3.9.2)
+    rspec-core (3.8.2)
+      rspec-support (~> 3.8.0)
+    rspec-expectations (3.8.6)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.9.0)
+      rspec-support (~> 3.8.0)
     rspec-instafail (1.0.0)
       rspec
     rspec-its (1.3.0)
       rspec-core (>= 3.0.0)
       rspec-expectations (>= 3.0.0)
-    rspec-mocks (3.9.1)
+    rspec-mocks (3.8.2)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.9.0)
-    rspec-rails (3.9.1)
+      rspec-support (~> 3.8.0)
+    rspec-rails (3.8.3)
       actionpack (>= 3.0)
       activesupport (>= 3.0)
       railties (>= 3.0)
-      rspec-core (~> 3.9.0)
-      rspec-expectations (~> 3.9.0)
-      rspec-mocks (~> 3.9.0)
-      rspec-support (~> 3.9.0)
-    rspec-support (3.9.3)
+      rspec-core (~> 3.8.0)
+      rspec-expectations (~> 3.8.0)
+      rspec-mocks (~> 3.8.0)
+      rspec-support (~> 3.8.0)
+    rspec-support (3.8.3)
     rspec-wait (0.0.9)
       rspec (>= 3, < 4)
     rspec_api_documentation (6.1.0)
@@ -554,11 +554,11 @@ DEPENDENCIES
   retryable
   rfc822
   roodi
-  rspec (~> 3.9.0)
+  rspec (~> 3.8.0)
   rspec-collection_matchers
   rspec-instafail
   rspec-its
-  rspec-rails (~> 3.9.1)
+  rspec-rails (~> 3.8.3)
   rspec-wait
   rspec_api_documentation (>= 6.1.0)
   rubocop (~> 0.79.0)