Skip remaining parser test if stdlib can't do it

Author: Flamefire

test/test_std_formatting.cpp

@@ -102,9 +102,11 @@ void test_by_char(const std::locale& l, const std::locale& lreal)
 
         ss << as::currency << as::currency_iso;
         TEST(ss << 1043.34);
-        double v1;
-        if TEST(ss >> v1)
-            TEST_EQ(v1, 1043.34);
+        if(!bad_parsing) {
+            double v1;
+            if TEST(ss >> v1)
+                TEST_EQ(v1, 1043.34);
+        }
 
         ss_ref_type ss_ref;
         ss_ref.imbue(lreal);