spelling: nonexistent

Signed-off-by: Josh Soref <2119212+jsoref@users.noreply.github.com>

test/gollum/views/test_locale_helper.rb

@@ -106,7 +106,7 @@ describe Precious::Views::LocaleHelpers do
       end
 
       it "does not return translation keys under other classes" do
-        other_i18n_keys = I18n.t("nonexistant_test_class").keys
+        other_i18n_keys = I18n.t("nonexistent_test_class").keys
 
         _(subject.keys).wont_include other_i18n_keys
       end

test/support/locales/en.yml

@@ -4,5 +4,5 @@ en:
       full: Author %{author} is from %{location}
     has_invalid_argument: Welcome to %{no_matching_method}
     hello_world: Hello world
-  nonexistant_test_class:
+  nonexistent_test_class:
     never_called: Never called

test/test_app.rb

@@ -205,8 +205,8 @@ context "Frontend" do
     assert_equal last_response.status, 500
   end
 
-  test "rename page catches non-existent target" do
+  test "rename page catches nonexistent target" do
-    # Non-existent rename target
+    # Nonexistent rename target
     post "/gollum/rename/B", :message => 'def'
     assert !last_response.ok?
     assert_equal last_response.status, 500