Add SetLogLevel functor

Sources/ElixxirDAppsSDK/Legacy/LogLevelConfigurator.swift

-import Bindings
-
-public struct LogLevelConfigurator {
-  public var set: (LogLevel) throws -> Void
-
-  public func callAsFunction(logLevel: LogLevel) throws {
-    try set(logLevel)
-  }
-}
-
-extension LogLevelConfigurator {
-  public static let live = LogLevelConfigurator { logLevel in
-    var error: NSError?
-    let result = BindingsLogLevel(logLevel.rawValue, &error)
-    if let error = error {
-      throw error
-    }
-    if !result {
-      fatalError("BindingsLogLevel returned `false` without providing error")
-    }
-  }
-}
-
-#if DEBUG
-extension LogLevelConfigurator {
-  public static let failing = LogLevelConfigurator { _ in
-    struct NotImplemented: Error {}
-    throw NotImplemented()
-  }
-}
-#endif

Sources/ElixxirDAppsSDK/SetLogLevel.swift

+import Bindings
+import XCTestDynamicOverlay
+
+public struct SetLogLevel {
+  public var run: (LogLevel) throws -> Bool
+
+  public func callAsFunction(_ logLevel: LogLevel) throws -> Bool {
+    try run(logLevel)
+  }
+}
+
+extension SetLogLevel {
+  public static let live = SetLogLevel { logLevel in
+    var error: NSError?
+    let result = BindingsLogLevel(logLevel.rawValue, &error)
+    if let error = error {
+      throw error
+    }
+    return result
+  }
+}
+
+extension SetLogLevel {
+  public static let unimplemented = SetLogLevel(
+    run: XCTUnimplemented("\(Self.self)")
+  )
+}