update examples on homepage

runtests.sh

 #!/bin/bash
 
 shopt -s nullglob
 
 EXITSTATUS=0
 PASSING=0
 WARNINGS=0
 FAILURES=0
 
 #####
 # Type Analysis
 
 ANA="dartanalyzer"
 
 echo
 echo "Type Analysis, running dartanalyzer..."
 
-for dir in src/site/tools/*/code/ src/site/articles/*/code/ 
+for dir in src/tests/site/code/ src/tests/site/*/code/ src/site/tools/*/code/ src/site/articles/*/code/
 do
   # Run pub if there is a pubspec in this code directory.
   if [ -a "$dir/pubspec.yaml" ]; then
     pub_result=`pushd $dir && pub install && popd`
     cmd="$ANA --package-root $dir/packages"
   else
     cmd="$ANA"
   fi
 
   # Loop through each Dart file in this code directory.
@@ skipping 26 matching lines @@
 done
 
 echo
 echo "####################################################"
 echo "PASSING = $PASSING"
 echo "WARNINGS = $WARNINGS"
 echo "FAILURES = $FAILURES"
 echo "####################################################"
 echo 
 exit $EXITSTATUS