browser/test/functional: tip-container may not exist

It depends on the client configuration

browser/test/functional/test_analysis-example1.rb

@@ -7,7 +7,9 @@ class TestSimple < BrowserTest
     super
     if not defined? $b
       set_browser("/doc/analysis-example1.vidjil")
-      $b.div(:id => 'tip-container').div(:class => 'tip_1').element(:class => 'icon-cancel').click
+      if $b.div(id: 'tip-container').present?
+        $b.div(:id => 'tip-container').div(:class => 'tip_1').element(:class => 'icon-cancel').click
+      end
     end
   end
   

browser/test/functional/test_loading_analysis.rb

@@ -8,7 +8,9 @@ class TestLoadingAnalysis < BrowserTest
     if not defined? $b
       set_browser("/doc/analysis-example2.vidjil", "/doc/analysis-example2.analysis")
       $b.clone_in_scatterplot('0').wait_until(&:present?)
-      $b.div(:id => 'tip-container').div(:class => 'tip_1').element(:class => 'icon-cancel').click
+      if $b.div(id: 'tip-container').present?
+        $b.div(:id => 'tip-container').div(:class => 'tip_1').element(:class => 'icon-cancel').click
+      end
     end
   end
 

browser/test/functional/test_multilocus.rb

@@ -9,7 +9,9 @@ class TestMultilocus < BrowserTest
     super
     if not defined? $b
       set_browser("/doc/analysis-example.vidjil")
-      $b.div(:id => 'tip-container').div(:class => 'tip_1').element(:class => 'icon-cancel').click
+      if $b.div(id: 'tip-container').present?
+        $b.div(:id => 'tip-container').div(:class => 'tip_1').element(:class => 'icon-cancel').click
+      end
     end
   end
 

browser/test/functional/test_normalization.rb

@@ -8,8 +8,10 @@ class TestNormalization < BrowserTest
     def setup
         super
         if not defined? $b
-        set_browser("/doc/analysis-example.vidjil")
-        $b.div(:id => 'tip-container').div(:class => 'tip_1').element(:class => 'icon-cancel').click
+          set_browser("/doc/analysis-example.vidjil")
+          if $b.div(id: 'tip-container').present?
+            $b.div(:id => 'tip-container').div(:class => 'tip_1').element(:class => 'icon-cancel').click
+          end
         end
     end