Different errors for missing browsers

[arubtsov]

What is your Test Scenario?

Run a tests specifying not installed browser's alias.

What is the Current behavior?

I get different errors for different browsers:

1. chrome\firefox:

Error: Was unable to open the browser "%browserName%" due to error.

Error: Unable to run the browser. The browser path or command template is not specified.
    at checkBrowserPath$ (D:\Projects\github-studio\node_modules\testcafe-browser-tools\lib\api\open.js:47:23)
    at tryCatch (D:\Projects\github-studio\node_modules\testcafe-browser-tools\node_modules\babel-runtime\regenerator\runtime.js:72:40)
    at Generator.invoke [as _invoke] (D:\Projects\github-studio\node_modules\testcafe-browser-tools\node_modules\babel-runtime\regenerator\runtime.js:334:22)
    at Generator.prototype.(anonymous function) [as next] (D:\Projects\github-studio\node_modules\testcafe-browser-tools\node_modules\babel-runtime\regenerator\runtime.js:105:21)
    at tryCatch (D:\Projects\github-studio\node_modules\testcafe-browser-tools\node_modules\babel-runtime\regenerator\runtime.js:72:40)
    at invoke (D:\Projects\github-studio\node_modules\testcafe-browser-tools\node_modules\babel-runtime\regenerator\runtime.js:146:20)
    at D:\Projects\github-studio\node_modules\testcafe-browser-tools\node_modules\babel-runtime\regenerator\runtime.js:191:11
    at new Promise (<anonymous>)
    at new F (D:\Projects\github-studio\node_modules\testcafe-browser-tools\node_modules\core-js\library\modules\$.export.js:30:36)
    at callInvokeWithMethodAndArg (D:\Projects\github-studio\node_modules\testcafe-browser-tools\node_modules\babel-runtime\regenerator\runtime.js:190:16)

2. opera\safari:

Error: Unable to find the browser. "%browserName%" is not a browser alias or path to an executable file.

What is the Expected behavior?

Consistent errors.

What is your web application and your TestCafe test code?

Your website URL (or attach your complete example):

Your complete test code (or attach your test files):

Your complete test report:

Screenshots:

Steps to Reproduce:

1. Go to my website ...
2. Execute this command...
3. See the error...

Your Environment details:

• testcafe version: 1.0.2-alpha.1
• node.js version: v10.15.0
• command-line arguments:
• browser name and version:
• platform and version: Windows 10
• other:

[lock]

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