3 files changed, 7 insertions, 6 deletions
diff --git a/src/internal/testenv/exec.go b/src/internal/testenv/exec.go
index 77de59c70a..ec2f2e295c 100644
--- a/src/internal/testenv/exec.go
+++ b/src/internal/testenv/exec.go
@@ -20,7 +20,7 @@ import (
 // using os.StartProcess or (more commonly) exec.Command.
 func HasExec() bool {
 	switch runtime.GOOS {
-	case "js", "ios":
+	case "wasip1", "js", "ios":
 		return false
 	}
 	return true
diff --git a/src/internal/testenv/testenv.go b/src/internal/testenv/testenv.go
index 565230e24c..9a649e037c 100644
--- a/src/internal/testenv/testenv.go
+++ b/src/internal/testenv/testenv.go
@@ -46,7 +46,7 @@ func HasGoBuild() bool {
 		return false
 	}
 	switch runtime.GOOS {
-	case "android", "js", "ios":
+	case "android", "js", "ios", "wasip1":
 		return false
 	}
 	return true
@@ -80,6 +80,7 @@ func MustHaveGoRun(t testing.TB) {
 
 // HasParallelism reports whether the current system can execute multiple
 // threads in parallel.
+// There is a copy of this function in cmd/dist/test.go.
 func HasParallelism() bool {
 	switch runtime.GOOS {
 	case "js", "wasip1":
@@ -257,14 +258,14 @@ func HasSrc() bool {
 // HasExternalNetwork reports whether the current system can use
 // external (non-localhost) networks.
 func HasExternalNetwork() bool {
-	return !testing.Short() && runtime.GOOS != "js"
+	return !testing.Short() && runtime.GOOS != "js" && runtime.GOOS != "wasip1"
 }
 
 // MustHaveExternalNetwork checks that the current system can use
 // external (non-localhost) networks.
 // If not, MustHaveExternalNetwork calls t.Skip with an explanation.
 func MustHaveExternalNetwork(t testing.TB) {
-	if runtime.GOOS == "js" {
+	if runtime.GOOS == "js" || runtime.GOOS == "wasip1" {
 		t.Skipf("skipping test: no external network on %s", runtime.GOOS)
 	}
 	if testing.Short() {
@@ -372,7 +373,7 @@ func SkipFlakyNet(t testing.TB) {
 // CPUIsSlow reports whether the CPU running the test is suspected to be slow.
 func CPUIsSlow() bool {
 	switch runtime.GOARCH {
-	case "arm", "mips", "mipsle", "mips64", "mips64le":
+	case "arm", "mips", "mipsle", "mips64", "mips64le", "wasm":
 		return true
 	}
 	return false
diff --git a/src/internal/testenv/testenv_notunix.go b/src/internal/testenv/testenv_notunix.go
index 9313c7c827..31abe8d092 100644
--- a/src/internal/testenv/testenv_notunix.go
+++ b/src/internal/testenv/testenv_notunix.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build windows || plan9 || (js && wasm)
+//go:build windows || plan9 || (js && wasm) || wasip1
 
 package testenv