reorder test functions

Author: Thegaram

core/vm/contracts_test.go

@@ -262,6 +262,7 @@ func BenchmarkPrecompiledBn256ScalarMul(b *testing.B) { benchJson("bn256ScalarMu
 
 // Tests the sample inputs from the elliptic curve pairing check EIP 197.
 func TestPrecompiledBn256Pairing(t *testing.T)      { testJson("bn256Pairing", "08", t) }
+func TestPrecompiledBn256PairingFail(t *testing.T)  { testJsonFail("bn256Pairing", "08", t) }
 func BenchmarkPrecompiledBn256Pairing(b *testing.B) { benchJson("bn256Pairing", "08", b) }
 
 func TestPrecompiledBlake2F(t *testing.T)      { testJson("blake2F", "09", t) }
@@ -326,7 +327,6 @@ func BenchmarkPrecompiledBLS12381MapG1(b *testing.B)      { benchJson("blsMapG1"
 func BenchmarkPrecompiledBLS12381MapG2(b *testing.B)      { benchJson("blsMapG2", "12", b) }
 
 // Failure tests
-func TestPrecompiledBn256PairingFail(t *testing.T)       { testJsonFail("bn256Pairing", "08", t) }
 func TestPrecompiledBLS12381G1AddFail(t *testing.T)      { testJsonFail("blsG1Add", "0a", t) }
 func TestPrecompiledBLS12381G1MulFail(t *testing.T)      { testJsonFail("blsG1Mul", "0b", t) }
 func TestPrecompiledBLS12381G1MultiExpFail(t *testing.T) { testJsonFail("blsG1MultiExp", "0c", t) }