Explicitly add json gem as a dependency

Author: ilyazub

Gemfile.lock

@@ -1,7 +1,8 @@
 PATH
   remote: .
   specs:
-    turbo_tests (2.2.0)
+    turbo_tests (2.2.1)
+      json (~> 2.3)
       parallel_tests (>= 3.3.0, < 5)
       rspec (>= 3.10)
 
@@ -10,6 +11,7 @@ GEM
   specs:
     coderay (1.1.3)
     diff-lcs (1.5.0)
+    json (2.7.2)
     method_source (1.0.0)
     parallel (1.22.1)
     parallel_tests (4.2.0)

lib/turbo_tests/version.rb

@@ -1,3 +1,3 @@
 module TurboTests
-  VERSION = "2.2.0"
+  VERSION = "2.2.1"
 end

turbo_tests.gemspec

@@ -21,6 +21,7 @@ Gem::Specification.new do |spec|
 
   spec.add_dependency "rspec", ">= 3.10"
   spec.add_dependency "parallel_tests", ">= 3.3.0", "< 5"
+  spec.add_dependency "json", "~> 2.3"
 
   spec.add_development_dependency "pry", "~> 0.14"