Get test coverage for pkg/runtime to 100%

[pwittrock]

• signals
• inject
• log

[fanzhangio]

Sure

[fanzhangio]

Marked here as reference:

pkg/cache/informertest/fake_cache.go:45::warning: Errors unhandled.,LOW,HIGH (gas)
pkg/cache/informertest/fake_cache.go:54::warning: Errors unhandled.,LOW,HIGH (gas)
pkg/cache/informertest/fake_cache.go:67::warning: Errors unhandled.,LOW,HIGH (gas)
pkg/cache/informertest/fake_cache.go:82::warning: Errors unhandled.,LOW,HIGH (gas)
pkg/controller/controller_integration_test.go:114:4:warning: this value of newDeployment is never used (SA4006) (megacheck)
pkg/controller/controller_integration_test.go:144:4:warning: this value of newReplicaset is never used (SA4006) (megacheck)
pkg/handler/eventhandler_test.go:41:3:warning: this value of instance is never used (SA4006) (megacheck)
pkg/internal/admission/handler.go:37:18:warning: infinite recursive call (SA5007) (megacheck)
pkg/client/client.go:97:2:warning: should write resource := c.resourcesByType[typ] instead of resource, _ := c.resourcesByType[typ] (S1005) (megacheck)
pkg/controller/controller_test.go:97:6:warning: type injectable is unused (U1000) (megacheck)
pkg/internal/admission/handler.go:36:28:warning: func admissionHandler.handle is unused (U1000) (megacheck)
pkg/reconcile/example_test.go:41:7:warning: type MyReconcileImplementation is unused (U1000) (megacheck)

[fanzhangio]

#34 Merged.