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rename from test cases/unit/98 install all targets/subdir/lib.c
rename to test cases/unit/99 install all targets/subdir/lib.c
diff --git a/test cases/unit/98 install all targets/subdir/main.c b/test cases/unit/99 install all targets/subdir/main.c
similarity index 100%
rename from test cases/unit/98 install all targets/subdir/main.c
rename to test cases/unit/99 install all targets/subdir/main.c
diff --git a/test cases/unit/98 install all targets/subdir/meson.build b/test cases/unit/99 install all targets/subdir/meson.build
similarity index 100%
rename from test cases/unit/98 install all targets/subdir/meson.build
rename to test cases/unit/99 install all targets/subdir/meson.build
diff --git a/test cases/unit/98 install all targets/subdir/script.py b/test cases/unit/99 install all targets/subdir/script.py
similarity index 100%
rename from test cases/unit/98 install all targets/subdir/script.py
rename to test cases/unit/99 install all targets/subdir/script.py
diff --git a/test cases/unit/98 install all targets/subprojects/subproject/aaa.txt b/test cases/unit/99 install all targets/subprojects/subproject/aaa.txt
similarity index 100%
rename from test cases/unit/98 install all targets/subprojects/subproject/aaa.txt
rename to test cases/unit/99 install all targets/subprojects/subproject/aaa.txt
diff --git a/test cases/unit/98 install all targets/subprojects/subproject/bbb.txt b/test cases/unit/99 install all targets/subprojects/subproject/bbb.txt
similarity index 100%
rename from test cases/unit/98 install all targets/subprojects/subproject/bbb.txt
rename to test cases/unit/99 install all targets/subprojects/subproject/bbb.txt
diff --git a/test cases/unit/98 install all targets/subprojects/subproject/meson.build b/test cases/unit/99 install all targets/subprojects/subproject/meson.build
similarity index 100%
rename from test cases/unit/98 install all targets/subprojects/subproject/meson.build
rename to test cases/unit/99 install all targets/subprojects/subproject/meson.build
diff --git a/unittests/allplatformstests.py b/unittests/allplatformstests.py
index 53a0042c2..86a6b61c9 100644
--- a/unittests/allplatformstests.py
+++ b/unittests/allplatformstests.py
@@ -634,7 +634,7 @@ class AllPlatformTests(BasePlatformTests):
         self.run_tests()
 
     def test_implicit_forcefallback(self):
-        testdir = os.path.join(self.unit_test_dir, '95 implicit force fallback')
+        testdir = os.path.join(self.unit_test_dir, '96 implicit force fallback')
         with self.assertRaises(subprocess.CalledProcessError):
             self.init(testdir)
         self.init(testdir, extra_args=['--wrap-mode=forcefallback'])
@@ -1958,7 +1958,7 @@ class AllPlatformTests(BasePlatformTests):
         check_pcfile('libvartest2.pc', relocatable=False)
 
         self.wipe()
-        testdir_abs = os.path.join(self.unit_test_dir, '105 pkgconfig relocatable with absolute path')
+        testdir_abs = os.path.join(self.unit_test_dir, '106 pkgconfig relocatable with absolute path')
         self.init(testdir_abs)
 
         check_pcfile('libsimple.pc', relocatable=True, levels=3)
@@ -2369,7 +2369,7 @@ class AllPlatformTests(BasePlatformTests):
         self.assertIn(msg, out)
 
     def test_mixed_language_linker_check(self):
-        testdir = os.path.join(self.unit_test_dir, '96 compiler.links file arg')
+        testdir = os.path.join(self.unit_test_dir, '97 compiler.links file arg')
         self.init(testdir)
         cmds = self.get_meson_log_compiler_checks()
         self.assertEqual(len(cmds), 5)
@@ -4206,7 +4206,7 @@ class AllPlatformTests(BasePlatformTests):
         self.init(srcdir, extra_args=['-Dbuild.b_lto=true'])
 
     def test_install_skip_subprojects(self):
-        testdir = os.path.join(self.unit_test_dir, '91 install skip subprojects')
+        testdir = os.path.join(self.unit_test_dir, '92 install skip subprojects')
         self.init(testdir)
         self.build()
 
@@ -4253,7 +4253,7 @@ class AllPlatformTests(BasePlatformTests):
         check_installed_files(['--skip-subprojects', 'another'], all_expected)
 
     def test_adding_subproject_to_configure_project(self) -> None:
-        srcdir = os.path.join(self.unit_test_dir, '92 new subproject in configured project')
+        srcdir = os.path.join(self.unit_test_dir, '93 new subproject in configured project')
         self.init(srcdir)
         self.build()
         self.setconf('-Duse-sub=true')
@@ -4303,7 +4303,7 @@ class AllPlatformTests(BasePlatformTests):
         if not shutil.which('clang-format'):
             raise SkipTest('clang-format not found')
 
-        testdir = os.path.join(self.unit_test_dir, '93 clangformat')
+        testdir = os.path.join(self.unit_test_dir, '94 clangformat')
         newdir = os.path.join(self.builddir, 'testdir')
         shutil.copytree(testdir, newdir)
         self.new_builddir()
@@ -4328,7 +4328,7 @@ class AllPlatformTests(BasePlatformTests):
         self.build('clang-format-check')
 
     def test_custom_target_implicit_include(self):
-        testdir = os.path.join(self.unit_test_dir, '94 custominc')
+        testdir = os.path.join(self.unit_test_dir, '95 custominc')
         self.init(testdir)
         self.build()
         compdb = self.get_compdb()
@@ -4368,7 +4368,7 @@ class AllPlatformTests(BasePlatformTests):
                 self.assertEqual(sorted(link_args), sorted(['-flto']))
 
     def test_install_tag(self) -> None:
-        testdir = os.path.join(self.unit_test_dir, '98 install all targets')
+        testdir = os.path.join(self.unit_test_dir, '99 install all targets')
         self.init(testdir)
         self.build()
 
@@ -4539,7 +4539,7 @@ class AllPlatformTests(BasePlatformTests):
 
 
     def test_introspect_install_plan(self):
-        testdir = os.path.join(self.unit_test_dir, '98 install all targets')
+        testdir = os.path.join(self.unit_test_dir, '99 install all targets')
         introfile = os.path.join(self.builddir, 'meson-info', 'intro-install_plan.json')
         self.init(testdir)
         self.assertPathExists(introfile)
@@ -4791,7 +4791,7 @@ class AllPlatformTests(BasePlatformTests):
                 }}
             ''')
 
-        testdir = os.path.join(self.unit_test_dir, '101 rlib linkage')
+        testdir = os.path.join(self.unit_test_dir, '102 rlib linkage')
         gen_file = os.path.join(testdir, 'lib.rs')
         with open(gen_file, 'w', encoding='utf-8') as f:
             f.write(template.format(0))
@@ -4839,7 +4839,7 @@ class AllPlatformTests(BasePlatformTests):
                 return
 
     def test_custom_target_name(self):
-        testdir = os.path.join(self.unit_test_dir, '99 custom target name')
+        testdir = os.path.join(self.unit_test_dir, '100 custom target name')
         self.init(testdir)
         out = self.build()
         if self.backend is Backend.ninja:
diff --git a/unittests/linuxliketests.py b/unittests/linuxliketests.py
index de86fa7fa..4fcf52e09 100644
--- a/unittests/linuxliketests.py
+++ b/unittests/linuxliketests.py
@@ -1366,7 +1366,7 @@ class LinuxlikeTests(BasePlatformTests):
         see: https://github.com/mesonbuild/meson/issues/9000
              https://stackoverflow.com/questions/48532868/gcc-library-option-with-a-colon-llibevent-a
         '''
-        testdir = os.path.join(self.unit_test_dir, '97 link full name','libtestprovider')
+        testdir = os.path.join(self.unit_test_dir, '98 link full name','libtestprovider')
         oldprefix = self.prefix
         # install into installdir without using DESTDIR
         installdir = self.installdir
@@ -1379,7 +1379,7 @@ class LinuxlikeTests(BasePlatformTests):
         self.new_builddir()
         env = {'LIBRARY_PATH': os.path.join(installdir, self.libdir),
                'PKG_CONFIG_PATH': _prepend_pkg_config_path(os.path.join(installdir, self.libdir, 'pkgconfig'))}
-        testdir = os.path.join(self.unit_test_dir, '97 link full name','proguser')
+        testdir = os.path.join(self.unit_test_dir, '98 link full name','proguser')
         self.init(testdir,override_envvars=env)
 
         # test for link with full path
@@ -1791,7 +1791,7 @@ class LinuxlikeTests(BasePlatformTests):
 
     @skipUnless(is_linux() or is_osx(), 'Test only applicable to Linux and macOS')
     def test_install_strip(self):
-        testdir = os.path.join(self.unit_test_dir, '103 strip')
+        testdir = os.path.join(self.unit_test_dir, '104 strip')
         self.init(testdir)
         self.build()
 
diff --git a/unittests/platformagnostictests.py b/unittests/platformagnostictests.py
index 1f4ea7ea0..31dea0ffe 100644
--- a/unittests/platformagnostictests.py
+++ b/unittests/platformagnostictests.py
@@ -39,7 +39,7 @@ class PlatformAgnosticTests(BasePlatformTests):
         Tests that find_program() with a relative path does not find the program
         in current workdir.
         '''
-        testdir = os.path.join(self.unit_test_dir, '100 relative find program')
+        testdir = os.path.join(self.unit_test_dir, '101 relative find program')
         self.init(testdir, workdir=testdir)
 
     def test_invalid_option_names(self):
@@ -75,11 +75,11 @@ class PlatformAgnosticTests(BasePlatformTests):
         interp.process(fname)
 
     def test_python_dependency_without_pkgconfig(self):
-        testdir = os.path.join(self.unit_test_dir, '102 python without pkgconfig')
+        testdir = os.path.join(self.unit_test_dir, '103 python without pkgconfig')
         self.init(testdir, override_envvars={'PKG_CONFIG': 'notfound'})
 
     def test_debug_function_outputs_to_meson_log(self):
-        testdir = os.path.join(self.unit_test_dir, '104 debug function')
+        testdir = os.path.join(self.unit_test_dir, '105 debug function')
         log_msg = 'This is an example debug output, should only end up in debug log'
         output = self.init(testdir)