Rename all `has_*' test keywords

features/tests/dir.feature

@@ -1,5 +1,5 @@
 @sshd
-Feature: `has_dir' condition keyword
+Feature: `dir?' condition keyword
 
   Background:
     Given a recipe with:
@@ -7,7 +7,7 @@ Feature: `has_dir' condition keyword
       target 'some_host.test'
 
       task :testing_directory_existence do
-        condition { has_dir 'some_directory' }
+        condition { dir? 'some_directory' }
 
         echo 'evaluated'
       end

features/tests/env.feature

@@ -1,5 +1,5 @@
 @sshd
-Feature: `has_env' condition keyword
+Feature: `env?' condition keyword
 
   Scenario: succeeds when remote environment variable is defined
     Given a recipe with:
@@ -7,7 +7,7 @@ Feature: `has_env' condition keyword
       target 'some_host.test'
 
       task :testing_env_var_definition do
-        condition { has_env :shell }
+        condition { env? :shell }
 
         echo 'evaluated'
       end
@@ -21,7 +21,7 @@ Feature: `has_env' condition keyword
       target 'some_host.test'
 
       task :testing_env_var_definition do
-        condition { has_env :inexistent_var }
+        condition { env? :inexistent_var }
 
         echo 'evaluated'
       end

features/tests/executable.feature

@@ -1,5 +1,5 @@
 @sshd
-Feature: `has_executable' condition keyword
+Feature: `executable?' condition keyword
 
   Scenario: succeeds when remote executable is available
     Given a recipe with:
@@ -7,7 +7,7 @@ Feature: `has_executable' condition keyword
       target 'some_host.test'
 
       task :testing_executable_availability do
-        condition { has_executable 'true' }
+        condition { executable? 'true' }
 
         echo 'evaluated'
       end
@@ -21,7 +21,7 @@ Feature: `has_executable' condition keyword
       target 'some_host.test'
 
       task :testing_executable_availability do
-        condition { has_executable 'some_non_existent_executable' }
+        condition { executable? 'some_non_existent_executable' }
 
         echo 'evaluated'
       end

features/tests/file.feature

@@ -1,5 +1,5 @@
 @sshd
-Feature: `has_file' condition keyword
+Feature: `file?' condition keyword
 
   Background:
     Given a recipe with:
@@ -7,7 +7,7 @@ Feature: `has_file' condition keyword
       target 'some_host.test'
 
       task :testing_file_existence do
-        condition { has_file 'some_file' }
+        condition { file? 'some_file' }
 
         echo 'evaluated'
       end

features/tests/negated_test.feature

@@ -7,13 +7,13 @@ Feature: negated test prefix (no_)
       target 'some_host.test'
 
       task :successful_test do
-        condition { has_env :shell }
+        condition { env? :shell }
 
         echo 'successful_test'
       end
 
       task :negated_test do
-        condition { no_has_env :shell }
+        condition { no_env? :shell }
 
         echo 'negated_test'
       end
@@ -28,13 +28,13 @@ Feature: negated test prefix (no_)
       target 'some_host.test'
 
       task :failing_test do
-        condition { has_env :inexistent_var }
+        condition { env? :inexistent_var }
 
         echo 'failing_test'
       end
 
       task :negated_test do
-        condition { no_has_env :inexistent_var }
+        condition { no_env? :inexistent_var }
 
         echo 'negated_test'
       end