[GR-23322] Make test_platform pass

PullRequest: graalpython/1433

Author: msimacek

graalpython/com.oracle.graal.python.test/src/tests/unittest_tags/test_platform.txt

@@ -1,2 +1,20 @@
 *graalpython.lib-python.3.test.test_platform.PlatformTest.test__comparable_version
+*graalpython.lib-python.3.test.test_platform.PlatformTest.test_architecture
+*graalpython.lib-python.3.test.test_platform.PlatformTest.test_architecture_via_symlink
+*graalpython.lib-python.3.test.test_platform.PlatformTest.test_java_ver
+*graalpython.lib-python.3.test.test_platform.PlatformTest.test_libc_ver
+*graalpython.lib-python.3.test.test_platform.PlatformTest.test_mac_ver
+*graalpython.lib-python.3.test.test_platform.PlatformTest.test_mac_ver_with_fork
+*graalpython.lib-python.3.test.test_platform.PlatformTest.test_machine
+*graalpython.lib-python.3.test.test_platform.PlatformTest.test_macos
+*graalpython.lib-python.3.test.test_platform.PlatformTest.test_node
+*graalpython.lib-python.3.test.test_platform.PlatformTest.test_platform
+*graalpython.lib-python.3.test.test_platform.PlatformTest.test_processor
+*graalpython.lib-python.3.test.test_platform.PlatformTest.test_release
+*graalpython.lib-python.3.test.test_platform.PlatformTest.test_sys_version
+*graalpython.lib-python.3.test.test_platform.PlatformTest.test_system
+*graalpython.lib-python.3.test.test_platform.PlatformTest.test_system_alias
+*graalpython.lib-python.3.test.test_platform.PlatformTest.test_uname
 *graalpython.lib-python.3.test.test_platform.PlatformTest.test_uname_win32_ARCHITEW6432
+*graalpython.lib-python.3.test.test_platform.PlatformTest.test_version
+*graalpython.lib-python.3.test.test_platform.PlatformTest.test_win32_ver

graalpython/lib-graalpython/sys.py

@@ -169,6 +169,10 @@ def addaudithook(hook):
     pass
 
 
+# CPython builds for distros report empty strings too, because they are built from tarballs, not git
+_git = ("graalpython", '', '')
+
+
 @__graalpython__.builtin
 def exit(arg=None):
     # see SystemExit_init, tuple of size 1 is unpacked