Fix tests for randomBackdrop.

Author: aspizu

test/blocks/looks_blocks_test.cpp

@@ -2507,7 +2507,7 @@ TEST_F(LooksBlocksTest, RandomBackdrop)
 
     stage.addCostume(std::make_shared<Costume>("backdrop4", "b4", "svg"));
 
-    EXPECT_CALL(rng, randint(0, 3)).WillOnce(Return(2));
+    EXPECT_CALL(rng, randintExcept(0, 3, 1)).WillOnce(Return(2));
     EXPECT_CALL(m_engineMock, startBackdropScripts(stage.costumeAt(2)->broadcast(), &thread, false));
     vm->reset();
     vm->run();

test/mocks/randomgeneratormock.h

@@ -10,4 +10,5 @@ class RandomGeneratorMock : public IRandomGenerator
     public:
         MOCK_METHOD(long, randint, (long, long), (const, override));
         MOCK_METHOD(double, randintDouble, (double, double), (const, override));
+        MOCK_METHOD(long, randintExcept, (long, long, long), (const, override));
 };