diff --git a/src/test_decbinary.c b/test/test_decbinary.c
similarity index 66%
rename from src/test_decbinary.c
rename to test/test_decbinary.c
index 747220c..3715465 100644
--- a/src/test_decbinary.c
+++ b/test/test_decbinary.c
@@ -9,8 +9,8 @@ void setUp(void)
 
 void test_decimal_1(void)
 {
-    int result, expected = 10;
-    result = decimal_to_binary(2);
+    int result, expected = 4;
+    result = decimal_to_binary(10);
 
     TEST_ASSERT_EQUAL_INT(expected, result);
 }