Fix more sdl3_ttf tests. NFC (#26449)

Author: sbc100

test/test_browser.py

@@ -2157,7 +2157,7 @@ def test_sdl_canvas_palette_2(self):
     self.reftest('test_sdl_canvas_palette_2.c', 'test_sdl_canvas_palette_b.png', cflags=['--pre-js', 'pre.js', '--pre-js', 'args-b.js', '-lSDL', '-lGL'])
 
   def test_sdl_ttf_render_text_solid(self):
-    self.reftest('test_sdl_ttf_render_text_solid.c', cflags=['-O2', '-lSDL', '-lGL'])
+    self.reftest('test_sdl_ttf_render_text_solid.c', cflags=['-O2', '-lSDL', '-lGL', '-Wno-experimental'])
 
   def test_sdl3_ttf_render_text_solid(self):
     self.cflags.append('-Wno-experimental')
@@ -3137,7 +3137,7 @@ def test_sdl2_ttf(self):
   def test_sdl3_ttf(self):
     shutil.copy2(test_file('freetype/LiberationSansBold.ttf'), self.get_dir())
     self.reftest('test_sdl3_ttf.c', 'test_sdl3_ttf.png',
-                 cflags=['-O2', '-sUSE_SDL=3', '-sUSE_SDL_TTF=3', '--embed-file', 'LiberationSansBold.ttf'])
+                 cflags=['-O2', '-sUSE_SDL=3', '-sUSE_SDL_TTF=3', '--embed-file', 'LiberationSansBold.ttf', '-Wno-experimental'])
 
   @requires_graphics_hardware
   def test_sdl2_ttf_rtl(self):