cmd/go/testdata/script: clear path in gotoolchain_issue66175
The gotoolchain_issue66175 script test would fail if a binary named
go1.21 or go1.22 was present in the system PATH. Clear the path at the
beginning of the test to make it independent of the system path.
Fixes #67277
Change-Id: I6d9133aee5b20ab116e07b659e8ecf3eb8add4ed
Reviewed-on: https://go-review.googlesource.com/c/go/+/584258
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
diff --git a/src/cmd/go/testdata/script/gotoolchain_issue66175.txt b/src/cmd/go/testdata/script/gotoolchain_issue66175.txt
index c84ffbb..5db4dbf 100644
--- a/src/cmd/go/testdata/script/gotoolchain_issue66175.txt
+++ b/src/cmd/go/testdata/script/gotoolchain_issue66175.txt
@@ -1,5 +1,10 @@
env TESTGO_VERSION=go1.14
+# Clear the path so this test doesn't fail if the system running it\
+# has a binary named go1.21 or go1.22 on its path.
+[GOOS:plan9] env path=
+[!GOOS:plan9] env PATH=
+
# check for invalid toolchain in go.mod
go mod init m
go mod edit -go=1.14 -toolchain=go1.22
