Fix SwiftLint warnings

Author: kean

Modules/Tests/WordPressIntelligenceTests/Helpers/TestHelpers.swift

@@ -266,7 +266,7 @@ enum TestHelpers {
         let tokenizer = NLTokenizer(unit: .word)
         tokenizer.string = text
 
-        if let language = language {
+        if let language {
             tokenizer.setLanguage(language)
         }
 

Modules/Tests/WordPressIntelligenceTests/PostExcerptGeneratorTests.swift

@@ -240,7 +240,7 @@ struct PostExcerptGeneratorTests {
         }
 
         // Performance benchmark
-        if let maxDuration = maxDuration {
+        if let maxDuration {
             let durationSeconds = Double(duration.components.seconds) + Double(duration.components.attoseconds) / 1e18
             let maxSeconds = Double(maxDuration.components.seconds) + Double(maxDuration.components.attoseconds) / 1e18
             #expect(

Modules/Tests/WordPressIntelligenceTests/PostSummaryGeneratorTests.swift

@@ -133,7 +133,7 @@ struct PostSummaryGeneratorTests {
         }
 
         // Performance validation
-        if let maxDuration = maxDuration {
+        if let maxDuration {
             let durationSeconds = Double(duration.components.seconds) + Double(duration.components.attoseconds) / 1e18
             let maxSeconds = Double(maxDuration.components.seconds) + Double(maxDuration.components.attoseconds) / 1e18
             #expect(

Modules/Tests/WordPressIntelligenceTests/TagSuggestionGeneratorTests.swift

@@ -176,7 +176,7 @@ struct TagSuggestionGeneratorTests {
         }
 
         // Performance validation
-        if let maxDuration = maxDuration {
+        if let maxDuration {
             let durationSeconds = Double(duration.components.seconds) + Double(duration.components.attoseconds) / 1e18
             let maxSeconds = Double(maxDuration.components.seconds) + Double(maxDuration.components.attoseconds) / 1e18
             #expect(