Fix formattedSummary

Author: cpisciotta

Sources/XcbeautifyLib/Parser.swift

@@ -170,8 +170,7 @@ package class Parser {
 
     package func formattedSummary() -> String? {
         guard let summary else { return nil }
-        return nil
-//        return renderer.format(testSummary: summary)
+        return summary.formatted(renderer: renderer, colored: colored)
     }
 
     // MARK: Private

Sources/XcbeautifyLib/TestSummary.swift

@@ -1,3 +1,5 @@
+import Colorizer
+
 struct TestSummary {
     let testsCount: Int
     let skippedCount: Int
@@ -19,6 +21,23 @@ struct TestSummary {
             time: left.time + right.time
         )
     }
+
+    func formatted(renderer: Renderer, colored: Bool) -> String {
+        switch renderer {
+        case .terminal:
+            if isSuccess() {
+                return colored ? "Tests Passed: \(description)".s.Bold.f.Green : "Tests Passed: \(description)"
+            } else {
+                return colored ? "Tests Failed: \(description)".s.Bold.f.Red : "Tests Failed: \(description)"
+            }
+        case .gitHubActions:
+            if isSuccess() {
+                return "::notice::Tests Passed: \(description)"
+            } else {
+                return "::error::Tests Failed: \(description)"
+            }
+        }
+    }
 }
 
 extension TestSummary {