Update packages.

lib/emulator-manager.js

@@ -35,7 +35,7 @@ function launchEmulator(apiLevel, target, arch, profile, emulatorOptions, disabl
         console.log('Starting emulator.');
         // turn off hardware acceleration on Linux
         if (process.platform === 'linux') {
-            emulatorOptions += '-accel off';
+            emulatorOptions += ' -accel off';
         }
         yield exec.exec(`sh -c \\"${process.env.ANDROID_HOME}/emulator/emulator -avd test ${emulatorOptions} &"`, [], {
             listeners: {

package.json

@@ -35,8 +35,8 @@
     "eslint-config-prettier": "^6.5.0",
     "eslint-plugin-import": "^2.18.2",
     "eslint-plugin-prettier": "^3.1.1",
-    "jest": "^24.8.0",
-    "jest-circus": "^24.7.1",
+    "jest": "^25.2.3",
+    "jest-circus": "^25.2.3",
     "prettier": "^1.18.2",
     "ts-jest": "^24.0.2",
     "typescript": "^3.5.1"