[Base64] Tests: remove trailing commata (#1185)

Author: fabianfett

Tests/FoundationEssentialsTests/DataTests.swift

@@ -1913,21 +1913,21 @@ extension DataTests {
              """
              AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\r\n\
              AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
-             """,
+             """
         )
         print([UInt8](Data(repeating: 0, count: 96).base64EncodedString(options: .lineLength64Characters).utf8))
 
         XCTAssertEqual(
             Data(repeating: 0, count: 57).base64EncodedString(options: .lineLength76Characters),
-            "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
+            "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
         )
 
         XCTAssertEqual(
             Data(repeating: 0, count: 114).base64EncodedString(options: .lineLength76Characters),
             """
             AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\r\n\
             AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
-            """,
+            """
         )
 
     }