38     std::array<int64_t, 30> testArray{};  in TEST_F()  local
40     EXPECT_EQ(0, calculate_mean(testArray));  in TEST_F()
42     testArray[0] = 33;  in TEST_F()
43     EXPECT_EQ(1, calculate_mean(testArray));  in TEST_F()
44     testArray[1] = 33;  in TEST_F()
45     testArray[2] = 33;  in TEST_F()
46     EXPECT_EQ(3, calculate_mean(testArray));  in TEST_F()
47     testArray[3] = 42;  in TEST_F()
48     EXPECT_EQ(4, calculate_mean(testArray));  in TEST_F()
49     testArray[4] = 33;  in TEST_F()
50     EXPECT_EQ(5, calculate_mean(testArray));  in TEST_F()
51     testArray[5] = 42;  in TEST_F()
52     EXPECT_EQ(7, calculate_mean(testArray));  in TEST_F()
54         testArray[i] = 33;  in TEST_F()
56     EXPECT_EQ(33, calculate_mean(testArray));  in TEST_F()