Skip some more invalid JRuby tests

test/test_http11.rb

@@ -114,6 +114,7 @@ class Http11ParserTest < Minitest::Test
   end
 
   def test_semicolon_in_path
+    skip_on :jruby # Not yet supported on JRuby, see https://github.com/puma/puma/issues/1978
     parser = Puma::HttpParser.new
     req = {}
     get = "GET /forums/1/path;stillpath/2375?page=1 HTTP/1.1\r\n\r\n"

test/test_integration_single.rb

@@ -24,6 +24,7 @@ class TestIntegrationSingle < TestIntegration
 
   def test_term_exit_code
     skip_on :windows # no SIGTERM
+    skip_on :jruby # JVM does not return correct exit code for TERM
 
     pid = cli_server("test/rackup/hello.ru").pid
     _, status = send_term_to_server(pid)