Update 'chai' to 4.1.2.

package-lock.json

@@ -415,6 +415,12 @@
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 			"integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU="
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+		"assertion-error": {
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+			"resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-1.1.0.tgz",
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@@ -965,45 +971,17 @@
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 		},
 		"chai": {
-			"version": "3.5.0",
-			"resolved": "https://registry.npmjs.org/chai/-/chai-3.5.0.tgz",
-			"integrity": "sha1-TQJjewZ/6Vi9v906QOxW/vc3Mkc=",
+			"version": "4.1.2",
+			"resolved": "https://registry.npmjs.org/chai/-/chai-4.1.2.tgz",
+			"integrity": "sha1-D2RYS6ZC8PKs4oBiefTwbKI61zw=",
 			"dev": true,
 			"requires": {
 				"assertion-error": "^1.0.1",
-				"deep-eql": "^0.1.3",
-				"type-detect": "^1.0.0"
-			},
-			"dependencies": {
-				"assertion-error": {
-					"version": "1.0.2",
-					"resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-1.0.2.tgz",
-					"integrity": "sha1-E8pRXYYgbaC6xm6DTdOX2HWBCUw=",
-					"dev": true
-				},
-				"deep-eql": {
-					"version": "0.1.3",
-					"resolved": "https://registry.npmjs.org/deep-eql/-/deep-eql-0.1.3.tgz",
-					"integrity": "sha1-71WKyrjeJSBs1xOQbXTlaTDrafI=",
-					"dev": true,
-					"requires": {
-						"type-detect": "0.1.1"
-					},
-					"dependencies": {
-						"type-detect": {
-							"version": "0.1.1",
-							"resolved": "https://registry.npmjs.org/type-detect/-/type-detect-0.1.1.tgz",
-							"integrity": "sha1-C6XsKohWQORw6k6FBZcZANrFiCI=",
-							"dev": true
-						}
-					}
-				},
-				"type-detect": {
-					"version": "1.0.0",
-					"resolved": "https://registry.npmjs.org/type-detect/-/type-detect-1.0.0.tgz",
-					"integrity": "sha1-diIXzAbbJY7EiQihKY6LlRIejqI=",
-					"dev": true
-				}
+				"check-error": "^1.0.1",
+				"deep-eql": "^3.0.0",
+				"get-func-name": "^2.0.0",
+				"pathval": "^1.0.0",
+				"type-detect": "^4.0.0"
 			}
 		},
 		"chainsaw": {
@@ -1032,6 +1010,12 @@
 			"integrity": "sha1-tUc7M9yXxCTl2Y3IfVXU2KKci/I=",
 			"dev": true
 		},
+		"check-error": {
+			"version": "1.0.2",
+			"resolved": "https://registry.npmjs.org/check-error/-/check-error-1.0.2.tgz",
+			"integrity": "sha1-V00xLt2Iu13YkS6Sht1sCu1KrII=",
+			"dev": true
+		},
 		"chromium-pickle-js": {
 			"version": "0.2.0",
 			"resolved": "https://registry.npmjs.org/chromium-pickle-js/-/chromium-pickle-js-0.2.0.tgz",
@@ -2025,6 +2009,15 @@
 				"touch": "0.0.3"
 			}
 		},
+		"deep-eql": {
+			"version": "3.0.1",
+			"resolved": "https://registry.npmjs.org/deep-eql/-/deep-eql-3.0.1.tgz",
+			"integrity": "sha512-+QeIQyN5ZuO+3Uk5DYh6/1eKO0m0YmJFGNmFHGACpf1ClL1nmlV/p4gNgbl2pJGxgXb4faqo6UE+M5ACEMyVcw==",
+			"dev": true,
+			"requires": {
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+			}
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 		"deep-extend": {
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 			"resolved": "https://registry.npmjs.org/deep-extend/-/deep-extend-0.6.0.tgz",
@@ -2868,6 +2861,12 @@
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 			"dev": true
 		},
+		"get-func-name": {
+			"version": "2.0.0",
+			"resolved": "https://registry.npmjs.org/get-func-name/-/get-func-name-2.0.0.tgz",
+			"integrity": "sha1-6td0q+5y4gQJQzoGY2YCPdaIekE=",
+			"dev": true
+		},
 		"get-stdin": {
 			"version": "4.0.1",
 			"resolved": "https://registry.npmjs.org/get-stdin/-/get-stdin-4.0.1.tgz",
@@ -4430,6 +4429,12 @@
 				"pinkie-promise": "^2.0.0"
 			}
 		},
+		"pathval": {
+			"version": "1.1.0",
+			"resolved": "https://registry.npmjs.org/pathval/-/pathval-1.1.0.tgz",
+			"integrity": "sha1-uULm1L3mUwBe9rcTYd74cn0GReA=",
+			"dev": true
+		},
 		"pend": {
 			"version": "1.2.0",
 			"resolved": "https://registry.npmjs.org/pend/-/pend-1.2.0.tgz",
@@ -5683,6 +5688,12 @@
 			"integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=",
 			"optional": true
 		},
+		"type-detect": {
+			"version": "4.0.8",
+			"resolved": "https://registry.npmjs.org/type-detect/-/type-detect-4.0.8.tgz",
+			"integrity": "sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g==",
+			"dev": true
+		},
 		"typedarray": {
 			"version": "0.0.6",
 			"resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",

package.json

@@ -102,7 +102,7 @@
 	},
 	"devDependencies": {
 		"asar": "^0.12.4",
-		"chai": "3.5.0",
+		"chai": "4.1.2",
 		"cpy-cli": "2.0.0",
 		"crowdin": "1.0.0",
 		"csvjson": "4.3.3",