Intermittent unit test failures in configreload_test

[awrichar]

https://github.com/hyperledger/firefly/actions/runs/4567930148/jobs/8062336444?pr=1249

--- FAIL: TestConfigDownToNothingOk (0.02s)
    manager_test.go:138: PASS:	Name()
    manager_test.go:138: PASS:	InitConfig(string)
    manager_test.go:138: PASS:	Init(string,string,string,string,string)
    manager_test.go:138: PASS:	Start()
    manager_test.go:140: PASS:	Name()
    manager_test.go:140: PASS:	InitConfig(string)
    manager_test.go:140: PASS:	Init(string,string)
    manager_test.go:140: PASS:	SetHandler(string,string)
    manager_test.go:140: FAIL:	GetNamespace(string,string)
        		at: [/home/runner/work/firefly/firefly/internal/namespace/configreload_test.go:419 /home/runner/work/firefly/firefly/internal/namespace/configreload_test.go:774]
    manager_test.go:140: FAIL:	GetNamespace(string,string)
        		at: [/home/runner/work/firefly/firefly/internal/namespace/configreload_test.go:420 /home/runner/work/firefly/firefly/internal/namespace/configreload_test.go:774]
    manager_test.go:140: PASS:	GetNamespace(string,string)
    manager_test.go:140: FAIL:	UpsertNamespace(string,mock.AnythingOfTypeArgument,bool)
        		at: [/home/runner/work/firefly/firefly/internal/namespace/configreload_test.go:422 /home/runner/work/firefly/firefly/internal/namespace/configreload_test.go:774]
    manager_test.go:140: FAIL: 5 out of 8 expectation(s) were met.
        	The code you are testing needs to make 3 more call(s).
        	at: [/home/runner/work/firefly/firefly/internal/namespace/manager_test.go:140 /home/runner/work/firefly/firefly/internal/namespace/manager_test.go:281 /home/runner/work/firefly/firefly/internal/namespace/configreload_test.go:804]
    manager_test.go:141: PASS:	Name()
    manager_test.go:141: PASS:	InitConfig(string)
    manager_test.go:141: PASS:	Init(string,string,string)
    manager_test.go:141: PASS:	Start()
    manager_test.go:142: PASS:	Name()
    manager_test.go:142: PASS:	InitConfig(string)
    manager_test.go:142: PASS:	Init(string,string)
    manager_test.go:143: PASS:	Name()
    manager_test.go:143: PASS:	InitConfig(string)
    manager_test.go:144: PASS:	Name()
    manager_test.go:144: PASS:	InitConfig(string)
    manager_test.go:144: PASS:	Init(string,string,string,string)
    manager_test.go:144: PASS:	Start()
    manager_test.go:145: PASS:	Name()
    manager_test.go:145: PASS:	InitConfig(string)
    manager_test.go:145: PASS:	Init(string,string,string)
    manager_test.go:147: PASS:	Name()
    manager_test.go:147: PASS:	InitConfig(string)
    manager_test.go:147: PASS:	Init(string,string)
    manager_test.go:148: PASS:	Name()
    manager_test.go:148: PASS:	InitConfig(string)
    manager_test.go:148: PASS:	Init(string,string)
    manager_test.go:149: PASS:	Name()
    manager_test.go:149: PASS:	InitConfig(string)
    manager_test.go:149: PASS:	Init(string,string)
    manager_test.go:150: FAIL:	Init(string,string)
        		at: [/home/runner/work/firefly/firefly/internal/namespace/configreload_test.go:428 /home/runner/work/firefly/firefly/internal/namespace/configreload_test.go:774]
    manager_test.go:150: FAIL:	Start()
        		at: [/home/runner/work/firefly/firefly/internal/namespace/configreload_test.go:439 /home/runner/work/firefly/firefly/internal/namespace/configreload_test.go:774]
    manager_test.go:150: PASS:	WaitStop()
    manager_test.go:150: FAIL:	WaitStop()
        		at: [/home/runner/work/firefly/firefly/internal/namespace/configreload_test.go:788]
    manager_test.go:150: FAIL: 1 out of 4 expectation(s) were met.
        	The code you are testing needs to make 3 more call(s).
        	at: [/home/runner/work/firefly/firefly/internal/namespace/manager_test.go:150 /home/runner/work/firefly/firefly/internal/namespace/manager_test.go:281 /home/runner/work/firefly/firefly/internal/namespace/configreload_test.go:804]

[peterbroadhurst]

I believe https://github.com/hyperledger/firefly/pull/1242 might contain a fix for this - the namespaceInitWaiter