package lock update, priority queue test comments

package-lock.json

@@ -3518,10 +3518,13 @@
       "dev": true
     },
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-      "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.2.1.tgz",
-      "integrity": "sha1-FK1hE4EtLTfXLme0ystLtyZQXxE=",
-      "dev": true
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+      "dev": true,
+      "requires": {
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+      }
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     "bn.js": {
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@@ -3870,6 +3873,18 @@
         "path-is-absolute": "^1.0.0",
         "readdirp": "^2.2.1",
         "upath": "^1.1.1"
+      },
+      "dependencies": {
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+          "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-1.2.13.tgz",
+          "integrity": "sha512-oWb1Z6mkHIskLzEJ/XWX0srkpkTQ7vaopMQkyaEIoq0fmtFVxOthb8cCxeT+p3ynTdkk/RZwbgG4brR5BeWECw==",
+          "dev": true,
+          "optional": true,
+          "requires": {
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+          }
+        }
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     },
     "ci-info": {
@@ -4651,13 +4666,13 @@
       "dev": true
     },
     "deasync": {
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-      "resolved": "https://registry.npmjs.org/deasync/-/deasync-0.1.15.tgz",
-      "integrity": "sha512-pxMaCYu8cQIbGkA4Y1R0PLSooPIpH1WgFBLeJ+zLxQgHfkZG86ViJSmZmONSjZJ/R3NjwkMcIWZAzpLB2G9/CA==",
+      "version": "0.1.21",
+      "resolved": "https://registry.npmjs.org/deasync/-/deasync-0.1.21.tgz",
+      "integrity": "sha512-kUmM8Y+PZpMpQ+B4AuOW9k2Pfx/mSupJtxOsLzmnHY2WqZUYRFccFn2RhzPAqt3Xb+sorK/badW2D4zNzqZz5w==",
       "dev": true,
       "requires": {
-        "bindings": "~1.2.1",
-        "node-addon-api": "^1.6.0"
+        "bindings": "^1.5.0",
+        "node-addon-api": "^1.7.1"
       }
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     "debug": {
@@ -5606,6 +5621,12 @@
       "integrity": "sha1-BX1Dw6Ptc12j+Q1gUqs4Dx5tXjs=",
       "dev": true
     },
+    "file-uri-to-path": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/file-uri-to-path/-/file-uri-to-path-1.0.0.tgz",
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+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/filesize/-/filesize-3.6.1.tgz",
@@ -5723,552 +5744,11 @@
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+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.2.1.tgz",
+      "integrity": "sha512-bTLYHSeC0UH/EFXS9KqWnXuOl/wHK5Z/d+ghd5AsFMYN7wIGkUCOJyzy88+wJKkZPGON8u4Z9f6U4FdgURE9qA==",
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-          "dev": true,
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-        "tar": {
-          "version": "4.4.8",
-          "bundled": true,
-          "dev": true,
-          "optional": true,
-          "requires": {
-            "chownr": "^1.1.1",
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-            "minipass": "^2.3.4",
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-            "mkdirp": "^0.5.0",
-            "safe-buffer": "^5.1.2",
-            "yallist": "^3.0.2"
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-          "version": "1.1.3",
-          "bundled": true,
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-        "wrappy": {
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-          "bundled": true,
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-          "optional": true
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-        "yallist": {
-          "version": "3.0.3",
-          "bundled": true,
-          "dev": true,
-          "optional": true
-        }
-      }
+      "optional": true
     },
     "function-bind": {
       "version": "1.1.1",
@@ -8271,13 +7751,6 @@
             "to-regex-range": "^5.0.1"
           }
         },
-        "fsevents": {
-          "version": "2.1.2",
-          "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.1.2.tgz",
-          "integrity": "sha512-R4wDiBwZ0KzpgOWetKDug1FZcYhqYnUYKtfZYt4mD5SBz76q0KR4Q9o7GIPamsVPGmW3EYPPJ0dOOjvx32ldZA==",
-          "dev": true,
-          "optional": true
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         "graceful-fs": {
           "version": "4.2.3",
           "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.3.tgz",
@@ -9762,13 +9235,6 @@
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       "dev": true
     },
-    "nan": {
-      "version": "2.14.0",
-      "resolved": "https://registry.npmjs.org/nan/-/nan-2.14.0.tgz",
-      "integrity": "sha512-INOFj37C7k3AfaNTtX8RhsTw7qRy7eLET14cROi9+5HAVbbHuIWUHEauBv5qT4Av2tWasiTY1Jw6puUNqRJXQg==",
-      "dev": true,
-      "optional": true
-    },
     "nanomatch": {
       "version": "1.2.13",
       "resolved": "https://registry.npmjs.org/nanomatch/-/nanomatch-1.2.13.tgz",
@@ -9801,9 +9267,9 @@
       "dev": true
     },
     "node-addon-api": {
-      "version": "1.7.1",
-      "resolved": "https://registry.npmjs.org/node-addon-api/-/node-addon-api-1.7.1.tgz",
-      "integrity": "sha512-2+DuKodWvwRTrCfKOeR24KIc5unKjOh8mz17NCzVnHWfjAdDqbfbjqh7gUT+BkXBRQM52+xCHciKWonJ3CbJMQ==",
+      "version": "1.7.2",
+      "resolved": "https://registry.npmjs.org/node-addon-api/-/node-addon-api-1.7.2.tgz",
+      "integrity": "sha512-ibPK3iA+vaY1eEjESkQkM0BbCqFOaZMiXRTtdB0u7b4djtY6JnsjvPdUHVMg6xQt3B8fpTTWHI9A+ADjM9frzg==",
       "dev": true
     },
     "node-forge": {

test/PriorityQueue.test.js

@@ -47,6 +47,7 @@ describe( 'PriorityQueue', () => {
 		queue.add( { priority: 1 }, cb );
 		expect( queue.items.length ).toEqual( queue.callbacks.size );
 
+		// We require a new frame to trigger each subsequent task
 		for ( let i = 0; i < 7; i ++ ) {
 
 			await nextFrame();
@@ -119,6 +120,9 @@ describe( 'PriorityQueue', () => {
 		expect( called ).toEqual( 1 );
 
 		resolveFunc();
+
+		// one frame for resolving the promise, one frame schedule new
+		// tasks, and one frame to complete the last one.
 		await nextFrame();
 		await nextFrame();