[gtk/matthiasc/for-master] testsuite: Run the clipboard test in isolation

[Matthias Clasen <matthiasc src gnome org>]

commit b1c1a2d8afbbc5203ff80392f64a9abf8244a46e
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Sep 17 11:24:54 2021 -0400

    testsuite: Run the clipboard test in isolation
    
    We can't have other test pop up windows, and possibly
    stealing focus and preventing us from getting data
    offers. So, run the clipboard test in isolation.

 testsuite/gdk/meson.build | 41 ++++++++++++++++++++++-------------------
 1 file changed, 22 insertions(+), 19 deletions(-)
---
diff --git a/testsuite/gdk/meson.build b/testsuite/gdk/meson.build
index c259be1f06..23ac954684 100644
--- a/testsuite/gdk/meson.build
+++ b/testsuite/gdk/meson.build
@@ -10,36 +10,39 @@ clipboard_client = executable('clipboard-client',
                               install_dir: testexecdir)
 
 tests = [
-  'array',
-  'cairo',
-  'clipboard',
-  'contentformats',
-  'contentserializer',
-  'cursor',
-  'display',
-  'displaymanager',
-  'encoding',
-  'keysyms',
-  'memorytexture',
-  'pixbuf',
-  'rectangle',
-  'rgba',
-  'seat',
-  'texture',
-  'texture-threads',
+  { 'name': 'array' },
+  { 'name': 'cairo' },
+  { 'name': 'clipboard', 'parallel': false, },
+  { 'name': 'contentformats' },
+  { 'name': 'contentserializer' },
+  { 'name': 'cursor' },
+  { 'name': 'display' },
+  { 'name': 'displaymanager' },
+  { 'name': 'encoding' },
+  { 'name': 'keysyms' },
+  { 'name': 'memorytexture' },
+  { 'name': 'pixbuf' },
+  { 'name': 'rectangle' },
+  { 'name': 'rgba' },
+  { 'name': 'seat' },
+  { 'name': 'texture' },
+  { 'name': 'texture-threads' },
 ]
 
 foreach t : tests
-  test_exe = executable(t, '@0@.c'.format(t),
+  test_name = t.get('name')
+  test_exe = executable(test_name,
+    sources: '@0@.c'.format(test_name),
     c_args: common_cflags,
     dependencies: libgtk_dep,
     install: get_option('install-tests'),
     install_dir: testexecdir,
   )
 
-  test(t, test_exe,
+  test(test_name, test_exe,
     args: [ '--tap', '-k' ],
     protocol: 'tap',
+    is_parallel: t.get('parallel', false),
     env: [
       'G_TEST_SRCDIR=@0@'.format(meson.current_source_dir()),
       'G_TEST_BUILDDIR=@0@'.format(meson.current_build_dir()),