Tweak .swiftlint.yml for stashed_swift_reportFatalErrorsToDebugger variable

Author: ikesyo

.swiftlint.yml

@@ -19,6 +19,7 @@ line_length:
   ignores_function_declarations: true
 
 identifier_name:
+  max_length: 50
   excluded:
     - x
     - l
@@ -27,3 +28,5 @@ identifier_name:
     - n1
     - n2
     - to
+  allowed_symbols:
+      - _

Sources/Nimble/Adapters/NimbleXCTestHandler.swift

@@ -42,7 +42,6 @@ class NimbleXCTestUnavailableHandler: AssertionHandler {
 
     private(set) var currentTestCase: XCTestCase?
 
-    // swiftlint:disable:next identifier_name
     private var stashed_swift_reportFatalErrorsToDebugger: Bool = false
 
     @objc func testCaseWillStart(_ testCase: XCTestCase) {