Run iOS tests on CI

.github/actions/run-ios-simulator/.eslintrc

@@ -0,0 +1,22 @@
+{
+    "root": true,
+    "env": {
+        "commonjs": true,
+        "mocha": true
+    },
+    "parser": "@typescript-eslint/parser",
+    "plugins": [
+        "@typescript-eslint"
+    ],
+    "extends": [
+        "eslint:recommended",
+        "plugin:@typescript-eslint/eslint-recommended",
+        "plugin:@typescript-eslint/recommended",
+        "plugin:prettier/recommended"
+    ],
+    "rules": {
+        "@typescript-eslint/consistent-type-definitions": ["error", "interface"],
+        "@typescript-eslint/explicit-function-return-type": "error",
+        "quotes": ["error", "double", { "allowTemplateLiterals": true }]
+    }
+}

.github/actions/run-ios-simulator/.prettierrc

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+{
+    "trailingComma": "es5",
+    "tabWidth": 4,
+    "semi": true,
+    "singleQuote": false,
+    "printWidth": 120
+}

.github/actions/run-ios-simulator/action.yml

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+name: run-ios-simulator
+description: Action to run an iOS app in a simulator
+inputs:
+  appPath:
+    description: Path to app
+    required: true
+  bundleId:
+    description: App bundle id
+    required: true
+  iphoneToSimulate:
+    description: iPhone device to simulate
+    required: false
+    default: iPhone-8
+  arguments:
+    description: Arguments for the simulator
+    required: false
+    default: ""
+
+runs:
+  using: node12
+  main: ./dist/index.js