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/log_test.go

@@ -131,7 +131,10 @@ func TestFirstDialFailureIsLoggedOnce(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)
+	}()
 
 	want := "2026-10-03T12:00:00Z disconnected\n"
 	deadline := time.Now().Add(2 * time.Second)
@@ -160,7 +163,10 @@ func TestReflectorErrorsAreOneLogLine(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, "bad\nline"))