Broken unit tests on Windows

[craig65535]

TestParsePackageImport_FallbackGoPath and TestParsePackageImport_FallbackMultiGoPath are not working:

?       go.uber.org/mock/gomock/internal/mock_gomock    [no test files]
ok      go.uber.org/mock/gomock 0.991s
?       go.uber.org/mock/mockgen/internal/tests/add_generate_directive  [no test files]
?       go.uber.org/mock/mockgen/internal/tests/aux_imports_embedded_interface/faux     [no test files]
?       go.uber.org/mock/mockgen/internal/tests/const_array_length      [no test files]
?       go.uber.org/mock/mockgen/internal/tests/copyright_file  [no test files]
?       go.uber.org/mock/mockgen/internal/tests/custom_package_name/client/v1   [no test files]
?       go.uber.org/mock/mockgen/internal/tests/custom_package_name/validator   [no test files]
?       go.uber.org/mock/mockgen/internal/tests/defined_import_local_name       [no test files]
--- FAIL: TestParsePackageImport_FallbackGoPath (0.00s)
    mockgen_test.go:385: expect example.com\foo, got example.com/foo
--- FAIL: TestParsePackageImport_FallbackMultiGoPath (0.02s)        
    mockgen_test.go:412: expect example.com\foo, got example.com/foo
FAIL
FAIL    go.uber.org/mock/mockgen        8.159s
ok      go.uber.org/mock/mockgen/internal/tests/aux_imports_embedded_interface  0.385s
ok      go.uber.org/mock/mockgen/internal/tests/custom_package_name/greeter     0.414s
?       go.uber.org/mock/mockgen/internal/tests/dot_imports     [no test files]
?       go.uber.org/mock/mockgen/internal/tests/empty_interface [no test files]
?       go.uber.org/mock/mockgen/internal/tests/empty_interface [no test files]
?       go.uber.org/mock/mockgen/internal/tests/exclude [no test files]
?       go.uber.org/mock/mockgen/internal/tests/extra_import    [no test files]
ok      go.uber.org/mock/mockgen/internal/tests/generated_identifier_conflict   0.779s
?       go.uber.org/mock/mockgen/internal/tests/import_embedded_interface/ersatz        [no test files]
?       go.uber.org/mock/mockgen/internal/tests/import_embedded_interface/faux  [no test files]
?       go.uber.org/mock/mockgen/internal/tests/import_embedded_interface/other/ersatz  [no test files]
?       go.uber.org/mock/mockgen/internal/tests/import_embedded_interface/other/log     [no test files]
ok      go.uber.org/mock/mockgen/internal/tests/import_embedded_interface       0.660s
?       go.uber.org/mock/mockgen/internal/tests/import_source   [no test files]
?       go.uber.org/mock/mockgen/internal/tests/import_source/definition        [no test files]
?       go.uber.org/mock/mockgen/internal/tests/internal_pkg    [no test files]
?       go.uber.org/mock/mockgen/internal/tests/internal_pkg/subdir/internal/pkg        [no test files]
?       go.uber.org/mock/mockgen/internal/tests/internal_pkg/subdir/internal/pkg/reflect_output [no test files]
?       go.uber.org/mock/mockgen/internal/tests/internal_pkg/subdir/internal/pkg/source_output  [no test files]
?       go.uber.org/mock/mockgen/internal/tests/missing_import/output   [no test files]
?       go.uber.org/mock/mockgen/internal/tests/missing_import/source   [no test files]
ok      go.uber.org/mock/mockgen/internal/tests/mock_in_test_package    0.681s [no tests to run]
ok      go.uber.org/mock/mockgen/internal/tests/overlapping_methods     0.583s
?       go.uber.org/mock/mockgen/internal/tests/parenthesized_parameter_type    [no test files]
?       go.uber.org/mock/mockgen/internal/tests/performance/big_interface       [no test files]
ok      go.uber.org/mock/mockgen/internal/tests/panicing_test   0.388s [no tests to run]
?       go.uber.org/mock/mockgen/internal/tests/self_package    [no test files]
ok      go.uber.org/mock/mockgen/internal/tests/test_package    0.384s [no tests to run]
ok      go.uber.org/mock/mockgen/internal/tests/typed_inorder   0.390s
ok      go.uber.org/mock/mockgen/internal/tests/unexported_method       0.469s
?       go.uber.org/mock/mockgen/internal/tests/vendor_dep      [no test files]
?       go.uber.org/mock/mockgen/internal/tests/vendor_dep/source_mock_package  [no test files]
?       go.uber.org/mock/mockgen/internal/tests/vendor_pkg      [no test files]
ok      go.uber.org/mock/mockgen/model  0.738s
ok      go.uber.org/mock/sample 0.695s
?       go.uber.org/mock/sample/concurrent/mock [no test files]
?       go.uber.org/mock/sample/imp1    [no test files]
?       go.uber.org/mock/sample/imp2    [no test files]
?       go.uber.org/mock/sample/imp3    [no test files]
?       go.uber.org/mock/sample/imp4    [no test files]
ok      go.uber.org/mock/sample/concurrent      0.469s
FAIL

[craig65535]

Thank you @r-hang