disable csquotes test for old texlive installations

Author: brucemiller

t/81_babel.t

@@ -5,13 +5,14 @@
 use LaTeXML::Util::Test;
 
 latexml_tests("t/babel",
-	      requires=>{'*'=>['babel.sty','babel.def'],
-		     csquotes=>['csquotes.sty', 'frenchb.ldf', 'germanb.ldf'],
-			 numprints=>'numprint.sty',
-			 german=>'germanb.ldf',
-			 greek=>['greek.ldf','lgrenc.def'],
-			 french=>['frenchb.ldf','numprint.sty'],
-                         page545=>['germanb.ldf','frenchb.ldf']},
-		# babel is a bit iffy between versions, especially in introducing/retracting line breaks in the language macros
-		# so compare it in a space-neutral manner
-		compare=>'words');
+  requires => { '*' => ['babel.sty', 'babel.def'],
+    csquotes => { texlive_min => 2015,
+      packages => ['csquotes.sty', 'frenchb.ldf', 'germanb.ldf'] },
+    numprints => 'numprint.sty',
+    german    => 'germanb.ldf',
+    greek     => ['greek.ldf', 'lgrenc.def'],
+    french    => ['frenchb.ldf', 'numprint.sty'],
+    page545   => ['germanb.ldf', 'frenchb.ldf'] },
+# babel is a bit iffy between versions, especially in introducing/retracting line breaks in the language macros
+# so compare it in a space-neutral manner
+  compare => 'words');