grpc-js: Client waitForReady callback fix. Fixes #1352#1368

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murgatroid99 merged 3 commits intogrpc:masterfrom

badsyntax:client-waitforready-fix

Apr 20, 2020

Commits on Apr 18, 2020

grpc-js: Remove watcher from queue before calling watcher callback. Fixes #1352
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grpc-js: Add test for client.waitForReady. Refs #1352
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committed

Commits on Apr 20, 2020

grpc-js: Simplify client.waitForReady tests. Refs #1352
badsyntax
committed