Race conditions: Certain log in use cases intermittently cause the extension to fail initialization

[abdulazizali77]

• Use Case 15 - Log in. Enable extension. Play. Disable extension. Click logout. Enable extension (without logging in)
• Use Case 39 - Tab2 icon is still active whereas Tab1 icon is inactive
• Use Case 40 - Tab1 overwrites Tab2 ranges
• Use Case 41-51 - Tab1 state becomes incorrect (active)
• Use Case 52 - Tab2 fails to go through auth flow, fails to setup slider but is recoverable; Tab1 state becomes unavailable

Use Cases

1 | One tab, logs in, plays track, enables extension, disables extension, logs out
2 | One tab, logs in, enables extension, plays track, disables extension, logs out
3 | One tab, logs in, plays track, enables extension, logs out
4 | One tab, logs in, enables extension, plays track, logs out
5 | One tab, logs in, plays track, enables extension, disables extension, closes tab
6 | One tab, logs in, enables extension, plays track, disables extension, closes tab
7 | One tab, logs in, plays track, enables extension, closes tab
8 | One tab, logs in, enables extension, plays track, closes tab
9 | One tab, is logged out, enables extension, plays track, disables extension, logs out
10 | One tab, is logged out, enables extension, plays track, logs out
11 | One tab, is logged out, enables extension, plays track, disables extension, closes tab
12 | One tab, is logged out, enables extension, plays track, closes tab
13 | One tab, logs in, plays track, enables extension, disables extension, logs out,  logs in again, plays track, enables extension
14 | One tab, logs in, plays track, enables extension, disables extension, logs out,  logs in again, enables extension, plays track
15 | One tab,  logs in, plays track, enables extension, disables extension, logs out, enables extension, plays track
16 | One tab,  logs in, plays track, enables extension, logs out, logs in again, plays track, enables extension
17 | One tab,  logs in, plays track, enables extension, logs out, logs in again, enables extension, plays track
18 | One tab,  logs in, plays track, enables extension, logs out, enables extension, plays track
19 | One tab,  logs in, plays track, enables extension, disables extension, closes tab logs in again, plays track, enables extension
20 | One tab,  logs in, plays track, enables extension, disables extension, closes tab logs in again, enables extension, plays track
21 | One tab,  logs in, plays track, enables extension, disables extension, closes tab enables extension, plays track
22 | One tab,  logs in, plays track, enables extension, closes tab logs in again, plays track, enables extension
23 | One tab,  logs in, plays track, enables extension, closes tab logs in again, enables extension, plays track
24 | One tab,  logs in, plays track, enables extension, closes tab enables extension, plays track
25 | One tab,  is logged out, enables extension, plays track, disables extension, logs out logs in again, plays track, enables extension
26 | One tab,  is logged out, enables extension, plays track, disables extension, logs out logs in again, enables extension, plays track
27 | One tab,  is logged out, enables extension, plays track, disables extension, logs out enables extension, plays track
28 | One tab,  is logged out, enables extension, plays track, logs out, logs in again, plays track, enables extension
29 | One tab,  is logged out, enables extension, plays track, logs out, logs in again, enables extension, plays track
30 | One tab,  is logged out, enables extension, plays track, logs out, enables extension, plays track
31 | One tab,  is logged out, enables extension, plays track, disables extension, closes tab, logs in again, plays track, enables extension
32 | One tab,  is logged out, enables extension, plays track, disables extension, closes tab, logs in again, enables extension, plays track
33 | One tab,  is logged out, enables extension, plays track, disables extension, closes tab, enables extension, plays track
34 | One tab,  is logged out, enables extension, plays track, closes tab, logs in again, plays track, enables extension
35 | One tab,  is logged out, enables extension, plays track, closes tab, logs in again, enables extension, plays track
36 | One tab,  is logged out, enables extension, plays track, closes tab, enables extension, plays track

37 | Two tabs; Tab 1 logs in, plays track, enables extension, disables extension, closes tab; Tab 2 plays track, enables extension
38 | Two tabs; Tab 1 logs in, plays track, enables extension, closes tab; Tab 2 plays track, enables extension
39 | Two tabs; Tab 1 logs in, plays track, enables extension, disables extension, closes tab; Tab 2 plays track, enables extension Tab 1 enables extension, plays track
40 | Two tabs; Tab 1 logs in, plays track, enables extension, closes tab; Tab 2 plays track, enables extension Tab 1 enables extension, plays track
 
41 | Two tabs; Tab 1 logs in, plays track, enables extension, disables extension; Tab 2 logs out; Tab 1 logs in again, plays track, enables extension
42 | Two tabs; Tab 1 logs in, plays track, enables extension, disables extension; Tab 2 logs out; Tab 1 logs in again, enables extension, plays track
43 | Two tabs; Tab 1 logs in, plays track, enables extension, disables extension; Tab 2 logs out; Tab 1 enables extension, plays track
44 | Two tabs; Tab 1 logs in, plays track, enables extension, disables extension; Tab 2 logs out; Tab 2 logs in again, plays track, enables extension
45 | Two tabs; Tab 1 logs in, plays track, enables extension, disables extension; Tab 2 logs out; Tab 2 logs in again, enables extension, plays track
46 | Two tabs; Tab 1 logs in, plays track, enables extension, disables extension; Tab 2 logs out; Tab 2 enables extension, plays track
47 | Two tabs; Tab 1 logs in, plays track, enables extension; Tab 2 logs out Tab 1 logs in again, plays track, enables extension
48 | Two tabs; Tab 1 logs in, plays track, enables extension; Tab 2 logs out Tab 1 logs in again, enables extension, plays track
49 | Two tabs; Tab 1 logs in, plays track, enables extension; Tab 2 logs out Tab 1 enables extension, plays track
50 | Two tabs; Tab 1 logs in, plays track, enables extension; Tab 2 logs out Tab 2 logs in again, plays track, enables extension
51 | Two tabs; Tab 1 logs in, plays track, enables extension; Tab 2 logs out Tab 2 logs in again, enables extension, plays track
52 | Two tabs; Tab 1 logs in, plays track, enables extension; Tab 2 logs out Tab 2 enables extension, plays track

[abdulazizali77]

Single try of UC15 seems to work. There might be certain load/client/server conditions which actually exhibit the the race condition.