Update Cucumber

Gemfile

 source 'https://rubygems.org'
 
 gem 'aruba', '~> 0.5'
-gem 'cucumber', '~> 2.4'
+gem 'cucumber', '~> 3.1.2'
 gem 'sinatra'

Gemfile.lock

@@ -8,25 +8,31 @@ GEM
       ffi (~> 1.9)
       rspec-expectations (>= 2.99)
       thor (~> 0.19)
+    backports (3.15.0)
     builder (3.2.3)
     childprocess (2.0.0)
       rake (< 13.0)
     contracts (0.16.0)
-    cucumber (2.99.0)
+    cucumber (3.1.2)
       builder (>= 2.1.2)
-      cucumber-core (~> 1.5.0)
+      cucumber-core (~> 3.2.0)
+      cucumber-expressions (~> 6.0.1)
       cucumber-wire (~> 0.0.1)
-      diff-lcs (>= 1.1.3)
-      gherkin (~> 4.0)
+      diff-lcs (~> 1.3)
+      gherkin (~> 5.1.0)
       multi_json (>= 1.7.5, < 2.0)
       multi_test (>= 0.1.2)
-    cucumber-core (1.5.0)
-      gherkin (~> 4.0)
+    cucumber-core (3.2.1)
+      backports (>= 3.8.0)
+      cucumber-tag_expressions (~> 1.1.0)
+      gherkin (~> 5.0)
+    cucumber-expressions (6.0.1)
+    cucumber-tag_expressions (1.1.1)
     cucumber-wire (0.0.1)
     diff-lcs (1.3)
     ffi (1.11.1)
     ffi (1.11.1-java)
-    gherkin (4.1.3)
+    gherkin (5.1.0)
     multi_json (1.13.1)
     multi_test (0.1.2)
     mustermann (1.0.3)
@@ -52,7 +58,7 @@ PLATFORMS
 
 DEPENDENCIES
   aruba (~> 0.5)
-  cucumber (~> 2.4)
+  cucumber (~> 3.1.2)
   sinatra
 
 BUNDLED WITH

cucumber.yml

-default: --format progress -t ~@completion
+default: --format progress -t 'not @completion'
 completion: --format pretty -t @completion
 all: --format progress