Added type-checking for intfuncs tests

Author: kshyatt

test/intfuncs.jl

@@ -125,14 +125,14 @@ end
 @test count_zeros(Int64(1)) == 63
 
 @test factorial(3) == 6
-@test factorial(Int8(3)) == 6
+@test factorial(Int8(3)) === 6
 @test_throws DomainError factorial(-3)
 @test_throws DomainError factorial(Int8(-3))
 
 @test isqrt(4) == 2
 @test isqrt(5) == 2
-@test isqrt(Int8(4)) == 2
-@test isqrt(Int8(5)) == 2
+@test isqrt(Int8(4)) === Int8(2)
+@test isqrt(Int8(5)) === Int8(2)
 # issue #4884
 @test isqrt(9223372030926249000) == 3037000498
 @test isqrt(typemax(Int128)) == parse(Int128,"13043817825332782212")