Add test for fplll when present

M2/Macaulay2/packages/LLLBases.m2

@@ -1244,6 +1244,10 @@ TEST ///
 
     time (mz,ch) = LLL(m, ChangeMatrix=>true)
     time (mz5,ch5) = LLL(m, Strategy=>CohenTopLevel, ChangeMatrix=>true)
+
+    if version#"fplll version" != "not present" then (
+	time mz6 = LLL(m, Strategy => fpLLL);
+	assert isLLL mz6)
 ///
 
 TEST