meson.build: split the pytest invocations into separate ones

In the meson test run, split the pytests across multiple invocations.
This makes it slighly easier to debug and also avoids any timeout issues
since we no longer have one long test run.

meson.build

@@ -292,17 +292,25 @@ if get_option('tests').enabled()
 		env.set('LD_LIBRARY_PATH', fs.parent(lib_libwacom.full_path()))
 		pymod.find_installation(modules: ['libevdev', 'pyudev', 'pytest'])
 		pytest = find_program('pytest-3', 'pytest')
-		test('pytest',
-		     pytest,
-		     args: ['--verbose',
-			     '-rfES',
-			     '--log-level=DEBUG',
-			     '--log-file', meson.project_build_root() / 'meson-logs' / 'pytest.log',
-			     '--log-file-level=DEBUG',
-			     meson.current_source_dir()
-		     ],
-		     env: env,
-		     suite: ['all'])
+		pytest_files = [
+			'test_data_files.py',
+			'test_libwacom.py',
+			'test_svg.py',
+			'test_udev_rules.py',
+		]
+		foreach f: pytest_files
+			test('pytest @0@'.format(f),
+			     pytest,
+			     args: ['--verbose',
+				     '-rfES',
+				     '--log-level=DEBUG',
+				     '--log-file', meson.project_build_root() / 'meson-logs' / 'pytest.log',
+				     '--log-file-level=DEBUG',
+				     meson.current_source_dir() / 'test' / f,
+			     ],
+			     env: env,
+			     suite: ['all'])
+		endforeach
 	endif
 endif