tests: fix updating a log level (#42)

Author: ns-vasilev

Tests/LogTests/UnitTests/LogTests.swift

@@ -124,7 +124,7 @@ final class LogTests: XCTestCase {
         let sut = prepareSut()
 
         // when
-        sut.logLevel = .info
+        sut.updateLogLevel { _ in .info }
         sut.debug(message: .message)
         sut.info(message: .message)
 

Tests/LogTests/UnitTests/PrefixFormatterTests.swift

@@ -32,31 +32,31 @@ final class PrefixFormatterTests: XCTestCase {
         let message = sut.format(message: .message, with: .fault)
 
         // then
-        XCTAssertEqual(message, "🚨🚨🚨 [name] => message")
+        XCTAssertEqual(message, "⛔️ [name] => message")
     }
 
     func test_thatPrefixFormatterFormatsMessage_whenLogLevelIsError() {
         // when
         let message = sut.format(message: .message, with: .error)
 
         // then
-        XCTAssertEqual(message, "💣💥💣💥 [name] => message")
+        XCTAssertEqual(message, "⚠️ [name] => message")
     }
 
     func test_thatPrefixFormatterFormatsMessage_whenLogLevelIsDebug() {
         // when
         let message = sut.format(message: .message, with: .debug)
 
         // then
-        XCTAssertEqual(message, "[name] => message")
+        XCTAssertEqual(message, "🔹 [name] => message")
     }
 
     func test_thatPrefixFormatterFormatsMessage_whenLogLevelIsInfo() {
         // when
         let message = sut.format(message: .message, with: .info)
 
         // then
-        XCTAssertEqual(message, "[name] => message")
+        XCTAssertEqual(message, "ℹ️ [name] => message")
     }
 
     func test_thatPrefixFormatterFormatsMessage_whenLogLevelIsAll() {