add mocha devDependency

Author: Brian Chen

.vscode/launch.json

@@ -26,7 +26,7 @@
       "type": "node",
       "request": "launch",
       "name": "Firestore Unit Tests (Node)",
-      "program": "${workspaceRoot}/node_modules/.bin/_mocha",
+      "program": "${workspaceRoot}/packages/firestore/node_modules/.bin/_mocha",
       "cwd": "${workspaceRoot}/packages/firestore",
       "args": [
         "--require", "ts-node/register/type-check",
@@ -46,7 +46,7 @@
       "type": "node",
       "request": "launch",
       "name": "Firestore Unit Tests (Node / Persistence)",
-      "program": "${workspaceRoot}/node_modules/.bin/_mocha",
+      "program": "${workspaceRoot}/packages/firestore/node_modules/.bin/_mocha",
       "cwd": "${workspaceRoot}/packages/firestore",
       "args": [
         "--require", "ts-node/register/type-check",
@@ -68,7 +68,7 @@
       "type": "node",
       "request": "launch",
       "name": "Firestore Integration Tests (Node)",
-      "program": "${workspaceRoot}/node_modules/.bin/_mocha",
+      "program": "${workspaceRoot}/packages/firestore/node_modules/.bin/_mocha",
       "cwd": "${workspaceRoot}/packages/firestore",
       "args": [
         "--require", "ts-node/register/type-check",
@@ -90,7 +90,7 @@
       "type": "node",
       "request": "launch",
       "name": "Firestore Integration Tests (Node / Persistence)",
-      "program": "${workspaceRoot}/node_modules/.bin/_mocha",
+      "program": "${workspaceRoot}/packages/firestore/node_modules/.bin/_mocha",
       "cwd": "${workspaceRoot}/packages/firestore",
       "args": [
         "--require", "ts-node/register/type-check",

packages/firestore/package.json

@@ -49,6 +49,7 @@
     "@firebase/app-types": "0.x"
   },
   "devDependencies": {
+    "mocha": "7.0.1",
     "protobufjs": "6.8.8",
     "rollup": "1.28.0",
     "rollup-plugin-copy-assets": "1.1.0",