add test for #3153

testsuite/tests/ghc-regress/parser/should_fail/T3153.hs

+{-# LANGUAGE
+#

testsuite/tests/ghc-regress/parser/should_fail/T3153.stderr

+
+T3153.hs:1:0:
+    cannot parse LANGUAGE pragma: comma-separated list expected

testsuite/tests/ghc-regress/parser/should_fail/all.T

@@ -53,3 +53,4 @@ test('read043', normal, compile_fail, [''])
 test('read044', normal, compile_fail, [''])
 test('read045', if_compiler_lt('ghc', '6.11', skip), compile_fail, [''])
 test('T3095', normal, compile_fail, [''])
+test('T3153', normal, compile_fail, [''])