Test #1 Randomize did these 2 moves: F F' to get this initial configuration (YYYYYYYYYGGGGGGGGGRRRRRRRRROOOOOOOOOBBBBBBBBBWWWWWWWWW):
Yellow Slice:

Green Slice:

Red Slice:

Orange Slice:

Blue Slice:

White Slice:

SOLVED!! Solving it took these 0 moves:
Test #2 Randomize did these 17 moves: U2 D2 U' B' R' B L U2 B2 F2 B' U R B2 F2 R2 L2 to get this initial configuration (WOOGYGWRORWBOGORRGBRGORBBBYYWYYOBRGOGWRYBGWYOBBYWWYWRG):
Yellow Slice:

Green Slice:

Red Slice:

Orange Slice:

Blue Slice:

White Slice:

SOLVED!! Solving it took these 85 moves: R' F R D B' D' R D2 R D2 D' R' D U2 R U' R' U2 U' F' U F U2 U F U' F' U2 F' U F U R U' R' U2 F U' F' U' L' U L U2 U' R' U R U B U' B' L U' L' U' B' U B F R U R' U' F' U2 R U2 R2 U' R2 U' R2 U2 R U L2 U' B F' L2 F B' U' L2
Test #3 Randomize did these 9 moves: U B R B2 D2 R' U D L to get this initial configuration (BYBYYRGRGYYRYGGRWYOBOGRORRGWBOOORRBGWGYWBWOOBYBBGWOWWW):
Yellow Slice:

Green Slice:

Red Slice:

Orange Slice:

Blue Slice:

White Slice:

SOLVED!! Solving it took these 91 moves: D' L' D B2 U R2 L' D L D F' D2 R' U2 R F U' F' U L' U L R' U R U2 L U' L' U B' U B U B U' B' U' R' U R U2 U' F' U F U R U' R' U F U' F' U' L' U L U2 B U' B' U' R' U R U2 U' B' U B U L U' L' F R U R' U' F' L2 U B F' L2 F B' U L2
This ran 3 tests with 3 solved and 0 unsolved. Average number of moves required to solve was 58.666666666667.