BLD: shove the plotting tests into the LOCALE_OVERRIDE build

bad.

Author: y-p

ci/install.sh

@@ -68,5 +68,8 @@ fi;
 
 # make sure the desired locale is generated
 if [ x"$LOCALE_OVERRIDE" != x"" ]; then
+    # piggyback this build for plotting tests. oh boy.
+    pip install $PIP_ARGS --use-mirrors  matplotlib;
+
     sudo locale-gen "$LOCALE_OVERRIDE"
 fi

ci/script.sh

@@ -6,6 +6,10 @@ if [ x"$LOCALE_OVERRIDE" != x"" ]; then
     export LC_ALL="$LOCALE_OVERRIDE";
     echo "Setting LC_ALL to $LOCALE_OVERRIDE"
     (cd /; python -c 'import pandas; print("pandas detected console encoding: %s" % pandas.get_option("display.encoding"))')
+
+    # also do slow tests here, especially plotting
+    nosetests --exe -w /tmp -A "not network" pandas;
+    exit
 fi
 
 if [ x"$VBENCH" != x"true" ]; then