[Test] Loosen test output checks to account for the integrated driver.
[Test] Loosen test output checks to account for the integrated driver.

The integrated Swift driver produces more jobs than the non-integrated
one, so loosen up a few tests to account for the differences. The
same things still get tested.

abertelrud/swift-package-manager,apple/swift-package-manager,apple/swift-package-manager,abertelrud/swift-package-manager,abertelrud/swift-package-manager,apple/swift-package-manager,apple/swift-package-manager,apple/swift-package-manager,abertelrud/swift-package-manager,abertelrud/swift-package-manager