message: change of test case
diff: @@ -55,13 +55,15 @@ protected:
  c[0] = 0;
  c[1] = 1;
  c[2] = 1;
  - c[3] = -1;
  + c[3] = 1;
  c[4] = 2;
  - c[5] = -1;
  + c[5] = 1;
  v[0] = 1.0;
  v[1] = 5.0;
  v[2] = 3.0;
  + v[3] = 0.0;
  v[4] = 2.0;
  + v[5] = 0.0;
  }
  std::shared_ptr<const gko::Executor> exec;
  @@ -79,13 +81,15 @@ protected:
  EXPECT_EQ(c[0], 0);
  EXPECT_EQ(c[1], 1);
  EXPECT_EQ(c[2], 1);
  - EXPECT_EQ(c[3], -1);
  + EXPECT_EQ(c[3], 1);
  EXPECT_EQ(c[4], 2);
  - EXPECT_EQ(c[5], -1);
  + EXPECT_EQ(c[5], 1);
  EXPECT_EQ(v[0], 1.0);
  EXPECT_EQ(v[1], 5.0);
  EXPECT_EQ(v[2], 3.0);
  + EXPECT_EQ(v[3], 0.0);
  EXPECT_EQ(v[4], 2.0);
  + EXPECT_EQ(v[5], 0.0);
  }
  void assert_empty(const Mtx *m)
  