Update gemfile.lock & fix iframe specs

Author: pascalwengerter

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    matestack-ui-core (0.7.2.1)
+    matestack-ui-core (0.7.3)
       cells-haml
       cells-rails
       haml
@@ -201,7 +201,7 @@ GEM
       json (>= 1.8, < 3)
       simplecov-html (~> 0.10.0)
     simplecov-html (0.10.2)
-    sprockets (3.7.2)
+    sprockets (4.0.0)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
     sprockets-rails (3.2.1)

spec/usage/components/iframe_spec.rb

@@ -10,12 +10,12 @@ class ExamplePage < Matestack::Ui::Page
       def response
         components {
           # simple iframe tag
-          iframe src="https://www.demopage.com" do
+          iframe src: "https://www.demopage.com" do
             plain 'The browser does not support iframe.'
           end
 
           # enhanced iframe tag
-          iframe id: 'my-id', class: 'my-class', src="https://www.demopage.com", srcdoc="<p>Mate Stack UI!</p>" do
+          iframe id: 'my-id', class: 'my-class', src: "https://www.demopage.com", srcdoc: "<p>Mate Stack UI!</p>" do
             plain 'The browser does not support iframe.'
           end
         }
@@ -28,7 +28,7 @@ def response
 
     expected_static_output = <<~HTML
     <iframe src="https://www.demopage.com">The browser does not support iframe.</iframe>
-    <iframe id="my-id" class="my-class" src="https://www.demopage.com" srcdoc="<p>Mate Stack UI!</p>">The browser does not support iframe.</iframe>
+    <iframe id="my-id" src="https://www.demopage.com" srcdoc="<p>Mate Stack UI!</p>" class="my-class">The browser does not support iframe.</iframe>
     HTML
     expect(stripped(static_output)).to include(stripped(expected_static_output))
   end
@@ -40,11 +40,11 @@ class ExamplePage < Matestack::Ui::Page
       def response
         components {
           # simple iframe tag
-          iframe src="https://www.demopage.com", text: 'The browser does not support iframe.'
+          iframe src: "https://www.demopage.com", text: 'The browser does not support iframe.'
 
           # enhanced iframe tag
-          iframe id: 'my-id', class: 'my-class', src="https://www.demopage.com",
-            srcdoc="<p>Mate Stack UI!</p>", text: 'The browser does not support iframe.'
+          iframe id: 'my-id', class: 'my-class', src: "https://www.demopage.com",
+            srcdoc: "<p>Mate Stack UI!</p>", text: 'The browser does not support iframe.'
         }
       end
 
@@ -56,7 +56,7 @@ def response
 
     expected_static_output = <<~HTML
     <iframe src="https://www.demopage.com">The browser does not support iframe.</iframe>
-    <iframe id="my-id" class="my-class" src="https://www.demopage.com" srcdoc="<p>Mate Stack UI!</p>">The browser does not support iframe.</iframe>
+    <iframe id="my-id" src="https://www.demopage.com" srcdoc="<p>Mate Stack UI!</p>" class="my-class">The browser does not support iframe.</iframe>
     HTML
 
     expect(stripped(static_output)).to include(stripped(expected_static_output))