Separate the window sentence from the wrapped error so a bad certificate file is not reported as a key mismatch.

Co-authored-by: Cursor <cursoragent@cursor.com>

station/behavior_test.go

@@ -43,7 +43,10 @@ func loginLog(t *testing.T, callsign, key string, tg int, id uint16, codecs []st
 	}
 	ctx, cancel := context.WithCancel(t.Context())
 	t.Cleanup(cancel)
-	go func() { _ = st.Run(ctx) }()
+	go func() {
+		// Run's error is observed through State, which is the station seam.
+		_ = st.Run(ctx)
+	}()
 	refl.accept(t)
 	declineTo2(t, refl)
 	challenge := make([]byte, 20)
@@ -187,7 +190,10 @@ func TestRefusedConnectionRetriesUntilQuit(t *testing.T) {
 	}
 	ctx, cancel := context.WithCancel(t.Context())
 	defer cancel()
-	go func() { _ = st.Run(ctx) }()
+	go func() {
+		// Run's error is observed through State, which is the station seam.
+		_ = st.Run(ctx)
+	}()
 
 	if _, err := st.Wait(ctx, func(s station.State) bool { return s.Connection == "Disconnected" }); err != nil {
 		t.Fatal(err)
@@ -232,7 +238,10 @@ func TestReflectorErrorStopsRetries(t *testing.T) {
 			}
 			ctx, cancel := context.WithCancel(t.Context())
 			defer cancel()
-			go func() { _ = st.Run(ctx) }()
+			go func() {
+				// Run's error is observed through State, which is the station seam.
+				_ = st.Run(ctx)
+			}()
 			refl.accept(t)
 			refl.readFrame(t)
 			refl.writeFrame(t, 13, appendStr(nil, msg))
@@ -266,7 +275,10 @@ func TestMissingOpusStopsRetries(t *testing.T) {
 	}
 	ctx, cancel := context.WithCancel(t.Context())
 	defer cancel()
-	go func() { _ = st.Run(ctx) }()
+	go func() {
+		// Run's error is observed through State, which is the station seam.
+		_ = st.Run(ctx)
+	}()
 	refl.accept(t)
 	declineTo2(t, refl)
 	challenge := make([]byte, 20)