No need to use Double type in tests so extensively.

Makes porting to OpenGL ES easier.

src/Math/Test/UnitTest.cpp

@@ -55,7 +55,7 @@ UnitTest::UnitTest() {
 
 template<class> struct Sec_;
 typedef Unit<Sec_, Float> Sec;
-typedef Unit<Sec_, Double> Secd;
+typedef Unit<Sec_, Int> Seci;
 
 inline Corrade::Utility::Debug operator<<(Corrade::Utility::Debug debug, Sec value) {
     return debug << Float(value);
@@ -72,7 +72,7 @@ void UnitTest::constructDefault() {
 }
 
 void UnitTest::constructConversion() {
-    constexpr Secd a(25.0);
+    constexpr Seci a(25.0);
     constexpr Sec b(a);
     CORRADE_COMPARE(b, Sec(25.0f));
 }

src/Test/SwizzleTest.cpp

@@ -51,7 +51,7 @@ void SwizzleTest::rgba() {
 void SwizzleTest::type() {
     constexpr Vector4i orig;
     constexpr Color3<Float> origColor3;
-    constexpr Color4<Double> origColor4;
+    constexpr Color4<UnsignedByte> origColor4;
 
     constexpr auto a = swizzle<'y', 'a'>(orig);
     CORRADE_VERIFY((std::is_same<decltype(a), const Vector2i>::value));
@@ -66,13 +66,13 @@ void SwizzleTest::type() {
     CORRADE_VERIFY((std::is_same<decltype(d), const Color3<Float>>::value));
 
     constexpr auto e = swizzle<'y', 'z', 'a'>(origColor4);
-    CORRADE_VERIFY((std::is_same<decltype(e), const Color3<Double>>::value));
+    CORRADE_VERIFY((std::is_same<decltype(e), const Color3<UnsignedByte>>::value));
 
     constexpr auto f = swizzle<'y', 'z', 'y', 'x'>(origColor3);
     CORRADE_VERIFY((std::is_same<decltype(f), const Color4<Float>>::value));
 
     constexpr auto g = swizzle<'y', 'a', 'y', 'x'>(origColor4);
-    CORRADE_VERIFY((std::is_same<decltype(g), const Color4<Double>>::value));
+    CORRADE_VERIFY((std::is_same<decltype(g), const Color4<UnsignedByte>>::value));
 }
 
 void SwizzleTest::defaultType() {