...so that we can compare it to the not-working test next to it.

* Prefix and Suffix support for TextFields

* Adding Tests

* Removing spurious newline.

* Fixing a small problem with the test

* Code review changes

* Code Review Changes

* Review Changes

* Export the new StrokeJoin enum

* Added example for line styles, and enabled line join styles.

* Reverting inadvertent change to main.dart.

* Updated due to code review of engine code

* Removed example.

Applies comments I missed from #10904.

Also, correct an existing test description.

Previously, xcodeMajorVersion and xcodeMinorVersion returned null unless
xcodeVersionSatisfactory had been called first. We now compute them on
demand, and cache the resultant values.

And fix a typo in a test description.

…geProvider. (#10986)

* Use defaultTargetPlatform instead of Platform.operatingSystem for ImageProvider.
Add convenience helper to make it easier to display a short string for
an enums value.

* Add comment linking to issue.

…sts. (#10954)

* Switch existings tests to use equalsIgnoringHashCodes and add more tests.

Fixes #10940

This reverts commit aa904a5.

This time, do so in Travis' sudo-enabled environment,
which is said to be less prone to networking issues.
It also means we'll run in an env with 7.5GB of RAM
instead of 4GB or RAM (at the cost of about 45 seconds
of extra boot-up time).

#10940

This reverts commit b800654.

In the case where the CocoaPods 'pod install' step fails, emit its
stdout to provide any potentially-useful error messages to the user.

#10870)

* Guess sign with the first certificate when multiple are available in machine mode

* review

Remove terminating semicolons; they are causing an "code inspection warning" in Android Studio:

```
This inspection reports redundant semicolon (';') token which is not required in Kotlin and may be removed.
```