diff --git a/rubygem-aruba.spec b/rubygem-aruba.spec
index 0d87bcd..6bcd058 100644
--- a/rubygem-aruba.spec
+++ b/rubygem-aruba.spec
@@ -18,14 +18,15 @@ BuildRequires: ruby
 BuildRequires: rubygem(cucumber) >= 1.3.19
 BuildRequires: rubygem(childprocess) >= 0.5.6
 BuildRequires: rubygem(ffi) >= 1.9.10
+BuildRequires: rubygem(minitest)
+BuildRequires: rubygem(pry)
 BuildRequires: rubygem(rspec) >= 3
 BuildRequires: rubygem(contracts) >= 0.9
 BuildRequires: rubygem(thor) >= 0.19
-# For full %%check, the below is needed
-# BuildRequires: rubygem(aruba-rspec)
-# BuildRequires: rubygem(fuubar)
-# used in one of the features
-BuildRequires: bc
+# features/steps/command/shell.feature:68 # Scenario: Running zsh commands
+BuildRequires: /usr/bin/zsh
+# features/steps/command/shell.feature:97 # Scenario: Running python commands
+BuildRequires: /usr/bin/python3
 BuildArch: noarch
 Provides: rubygem(%{gem_name}) = %{version}
 
@@ -103,7 +104,30 @@ sed -i "/bundler/I s/^/#/" spec/spec_helper.rb
 
 RUBYOPT=-rtime rspec spec
 
-cucumber || true
+# We don't care about code coverage.
+sed -i "/require 'simplecov'/ s/^/#/" features/support/env.rb
+sed -i "/ENV\['RUBYOPT'\]/,/\send/ s/^/#/" features/support/env.rb
+mv features/support/simplecov_setup.rb{,.disable}
+
+# Let the test cli-app find Aruba.
+sed -i '/$LOAD_PATH/ s/\.\.\/\.\.\//\.\.\/\.\.\/\.\.\/\.\.\/\.\.\//' fixtures/cli-app/spec/spec_helper.rb
+
+# /usr/bin/python is reporting deprecation warning :/
+sed -i 's/python/python3/' features/steps/command/shell.feature
+sed -i "s/'python'/'python3'/" features/step_definitions/hooks.rb
+sed -i "s/\.]/.\\\d]/" lib/aruba/generators/script_file.rb
+sed -i "/[^-]python/ s/python/python3/" features/getting_started/run_commands.feature
+
+# Get rid of Bundler
+sed -i '/bundler/I s/^/#/' Rakefile
+
+# Adjust test cases referring to $HOME.
+sed -i "s|/home/\[\^/\]+|$(echo $HOME)|" features/api/core/expand_path.feature
+sed -i "/Scenario: Default value/,/Scenario/ s|/home/|$(echo $HOME)|" features/configuration/home_directory.feature
+sed -i "/Scenario: Set to aruba's working directory/,/Scenario/ s|/home/|$(echo $HOME)/|" features/configuration/home_directory.feature
+
+# Make the Aruba always awailable.
+RUBYOPT=-I$(pwd)/lib cucumber
 popd