test: update karma-firefox-launcher

fixes #445

package-lock.json

@@ -3806,6 +3806,12 @@
       "integrity": "sha512-eXK1UInq2bPmjyX6e3VHIzMLobc4J94i4AWn+Hpq3OU5KkrRC96OAcR3PRJ/pGu6m8TRnBHP9dkXQVsT/COVIA==",
       "dev": true
     },
+    "is-wsl": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/is-wsl/-/is-wsl-2.1.0.tgz",
+      "integrity": "sha512-pFTjpv/x5HRj8kbZ/Msxi9VrvtOMRBqaDi3OIcbwPI3OuH+r3lLxVWukLITBaOGJIbA/w2+M1eVmVa4XNQlAmQ==",
+      "dev": true
+    },
     "isarray": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
@@ -4039,10 +4045,13 @@
       }
     },
     "karma-firefox-launcher": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/karma-firefox-launcher/-/karma-firefox-launcher-1.1.0.tgz",
-      "integrity": "sha512-LbZ5/XlIXLeQ3cqnCbYLn+rOVhuMIK9aZwlP6eOLGzWdo1UVp7t6CN3DP4SafiRLjexKwHeKHDm0c38Mtd3VxA==",
-      "dev": true
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/karma-firefox-launcher/-/karma-firefox-launcher-1.2.0.tgz",
+      "integrity": "sha512-j9Zp8M8+VLq1nI/5xZGfzeaEPtGQ/vk3G+Y8vpmFWLvKLNZ2TDjD6cu2dUu7lDbu1HXNgatsAX4jgCZTkR9qhQ==",
+      "dev": true,
+      "requires": {
+        "is-wsl": "^2.1.0"
+      }
     },
     "karma-mocha": {
       "version": "1.3.0",

package.json

@@ -21,7 +21,7 @@
     "karma": "^3.0.0",
     "karma-browserstack-launcher": "^1.3.0",
     "karma-chrome-launcher": "^2.2.0",
-    "karma-firefox-launcher": "^1.1.0",
+    "karma-firefox-launcher": "^1.2.0",
     "karma-mocha": "^1.3.0",
     "karma-typescript": "^3.0.13",
     "knuth-shuffle": "^1.0.1",