moving mockWatcher to only file that uses it

master/internal/rm/kubernetesrm/informer_intg_test.go

@@ -17,6 +17,17 @@ import (
 	"github.com/determined-ai/determined/master/internal/mocks"
 )
 
+type mockWatcher struct {
+	c chan watch.Event
+}
+
+func (m *mockWatcher) Stop() {
+	close(m.c)
+}
+func (m *mockWatcher) ResultChan() <-chan watch.Event {
+	return m.c
+}
+
 // operations is a tuple struct (name, action) for testing
 // events handled by the node informer. Name refers to the
 // node name & action refers to the Watch.Event.Type.

master/internal/rm/kubernetesrm/mock_client_test.go

@@ -227,14 +227,3 @@ func (m *mockRoundTripInterface) RoundTrip(req *http.Request) (*http.Response, e
 		Body:       io.NopCloser(strings.NewReader(msg)),
 	}, nil
 }
-
-type mockWatcher struct {
-	c chan watch.Event
-}
-
-func (m *mockWatcher) Stop() {
-	close(m.c)
-}
-func (m *mockWatcher) ResultChan() <-chan watch.Event {
-	return m.c
-}