fix test build

Author: Andrew McKnight

Tests/GitKitTests/GitKitTests.swift

@@ -121,8 +121,8 @@ final class GitKitTests: XCTestCase {
 
         // Initialize a repository and make an initial commit
         try git.run(.raw("init"))
-        try git.run(.commit(message: "initial commit", true))
-        
+        try git.run(.commit(message: "initial commit", allowEmpty: true))
+
         // Test 1: Get abbreviated reference name for HEAD
         let abbrevRef = try git.run(.revParse(abbrevRef: true, revision: "HEAD"))
         XCTAssertEqual(abbrevRef, "main", "Should return abbreviated reference name")
@@ -160,7 +160,7 @@ final class GitKitTests: XCTestCase {
 
         // Initialize a repository and make an initial commit
         try git.run(.raw("init"))
-        try git.run(.commit(message: "initial commit", true))
+        try git.run(.commit(message: "initial commit", allowEmpty: true))
 
         // Test 1: Get abbreviated reference name for HEAD
         let abbrevRef = try git.run(.revParse(abbrevRef: true, revision: "HEAD"))