prevent test runner conflicts, kick out jasmine, lock TypeScript

client/package.json

@@ -58,7 +58,7 @@
     "jest-mock-axios": "^3.0.0",
     "node-sass": "^4.12.0",
     "react-scripts": "^3.0.0",
-    "typescript": "^3.5.1"
+    "typescript": "3.4.5"
   },
   "repository": {
     "type": "git",

client/src/components/templates/Asset/AssetFile.tsx

@@ -25,7 +25,7 @@ interface AssetFileProps {
 interface AssetFileState {
     isLoading: boolean
     error: string
-    step: number | null
+    step: number | string | null
 }
 
 export default class AssetFile extends PureComponent<

package.json

@@ -37,7 +37,7 @@
     "stylelint-config-bigchaindb": "^1.2.2",
     "stylelint-config-css-modules": "^1.4.0",
     "stylelint-config-standard": "^18.3.0",
-    "typescript": "^3.5.1"
+    "typescript": "3.4.5"
   },
   "repository": {
     "type": "git",

server/package-lock.json

@@ -5793,9 +5793,9 @@
       }
     },
     "typescript": {
-      "version": "3.5.1",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.5.1.tgz",
-      "integrity": "sha512-64HkdiRv1yYZsSe4xC1WVgamNigVYjlssIoaH2HcZF0+ijsk5YK2g0G34w9wJkze8+5ow4STd22AynfO6ZYYLw==",
+      "version": "3.4.5",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.4.5.tgz",
+      "integrity": "sha512-YycBxUb49UUhdNMU5aJ7z5Ej2XGmaIBL0x34vZ82fn3hGvD+bgrMrVDpatgz2f7YxUMJxMkbWxJZeAvDxVe7Vw==",
       "dev": true
     },
     "uglify-js": {

server/package.json

@@ -36,7 +36,7 @@
     "supertest": "^4.0.2",
     "ts-jest": "^24.0.2",
     "ts-node": "^8.2.0",
-    "typescript": "^3.5.1"
+    "typescript": "3.4.5"
   },
   "repository": {
     "type": "git",