Allow failure to cleanup

sdk/go/common/testing/environment.go

@@ -123,6 +123,13 @@ func (e *Environment) DeleteEnvironment() {
 	assert.NoErrorf(e, err, "cleaning up test directory %q", e.RootPath)
 }
 
+// DeleteEnvironment deletes the environment's RootPath, and everything
+// underneath it. It tolerates failing to delete the environment.
+func (e *Environment) DeleteEnviromentFallible() error {
+	e.Helper()
+	return os.RemoveAll(e.RootPath)
+}
+
 // DeleteIfNotFailed deletes the environment's RootPath if the test hasn't failed. Otherwise
 // keeps the files around for aiding debugging.
 func (e *Environment) DeleteIfNotFailed() {

tests/integration/integration_dotnet_test.go

@@ -581,7 +581,7 @@ func TestAboutDotnet(t *testing.T) {
 	e := ptesting.NewEnvironment(t)
 	defer func() {
 		if !t.Failed() {
-			e.DeleteEnvironment()
+			e.DeleteEnvironmentFallible()
 		}
 	}()
 	e.ImportDirectory(dir)

tests/integration/integration_go_test.go

@@ -748,7 +748,7 @@ func TestAboutGo(t *testing.T) {
 	e := ptesting.NewEnvironment(t)
 	defer func() {
 		if !t.Failed() {
-			e.DeleteEnvironment()
+			e.DeleteEnvironmentFallible()
 		}
 	}()
 	e.ImportDirectory(dir)

tests/integration/integration_python_test.go

@@ -1132,7 +1132,7 @@ func TestAboutPython(t *testing.T) {
 	e := ptesting.NewEnvironment(t)
 	defer func() {
 		if !t.Failed() {
-			e.DeleteEnvironment()
+			e.DeleteEnvironmentFallible()
 		}
 	}()
 	e.ImportDirectory(dir)