diff --git a/src/test/skript/tests/syntaxes/expressions/ExprLowestHighestSolidBlock.sk b/src/test/skript/tests/syntaxes/expressions/ExprLowestHighestSolidBlock.sk
index 71ca72a648c..b0f90139f50 100644
--- a/src/test/skript/tests/syntaxes/expressions/ExprLowestHighestSolidBlock.sk
+++ b/src/test/skript/tests/syntaxes/expressions/ExprLowestHighestSolidBlock.sk
@@ -1,36 +1,60 @@
 test "lowest/highest solid block (old height)" when running below minecraft "1.18":
 
 	# highest solid block
+	set {_oldBlock::1} to block data of block at location(0.5, 255.5, 0.5, "world")
+	set {_oldBlock::2} to block data of block at location(0.5, 254.5, 0.5, "world")
+	set {_oldBlock::3} to block data of block at location(0.5, 253.5, 0.5, "world")
 	set block at location(0.5, 255.5, 0.5, "world") to air
 	set block at location(0.5, 254.5, 0.5, "world") to air
 	set block at location(0.5, 253.5, 0.5, "world") to dirt
 	set {_highest} to highest solid block at location(0.5, 64, 0.5, "world")
 	assert type of {_highest} is dirt with "highest block is not dirt (got '%type of {_highest}%')"
 	assert location of {_highest} is location(0.5, 253.5, 0.5, "world") with "highest block is not at 0.5,253.5,0.5 (got '%location of {_highest}%')"
+	set block at location(0.5, 255.5, 0.5, "world") to {_oldBlock::1}
+	set block at location(0.5, 254.5, 0.5, "world") to {_oldBlock::2}
+	set block at location(0.5, 253.5, 0.5, "world") to {_oldBlock::3}
 
 	# lowest solid block
+	set {_oldBlock::1} to block data of block at location(0.5, 0.5, 0.5, "world")
+	set {_oldBlock::2} to block data of block at location(0.5, 1.5, 0.5, "world")
+	set {_oldBlock::3} to block data of block at location(0.5, 2.5, 0.5, "world")
 	set block at location(0.5, 0.5, 0.5, "world") to air
 	set block at location(0.5, 1.5, 0.5, "world") to air
 	set block at location(0.5, 2.5, 0.5, "world") to dirt
 	set {_lowest} to lowest solid block at location(0.5, 64, 0.5, "world")
 	assert type of {_lowest} is dirt with "lowest block is not dirt (got '%type of {_lowest}%')"
 	assert location of {_lowest} is location(0.5, 2.5, 0.5, "world") with "lowest block is not at 0.5,2.5,0.5 (got '%location of {_lowest}%')"
+	set block at location(0.5, 0.5, 0.5, "world") to {_oldBlock::1}
+	set block at location(0.5, 1.5, 0.5, "world") to {_oldBlock::2}
+	set block at location(0.5, 2.5, 0.5, "world") to {_oldBlock::3}
 
 test "lowest/highest solid block (new height)" when running minecraft "1.18":
 
 	# highest solid block
+	set {_oldBlock::1} to block data of block at location(0.5, 319.5, 0.5, "world")
+	set {_oldBlock::2} to block data of block at location(0.5, 318.5, 0.5, "world")
+	set {_oldBlock::3} to block data of block at location(0.5, 317.5, 0.5, "world")
 	set block at location(0.5, 319.5, 0.5, "world") to air
 	set block at location(0.5, 318.5, 0.5, "world") to air
 	set block at location(0.5, 317.5, 0.5, "world") to dirt
 	set {_highest} to highest solid block at location(0.5, 64, 0.5, "world")
 	assert type of {_highest} is dirt with "highest block is not dirt (got '%type of {_highest}%')"
 	assert location of {_highest} is location(0.5, 317.5, 0.5, "world") with "highest block is not at 0.5,317.5,0.5 (got '%location of {_highest}%')"
+	set block at location(0.5, 319.5, 0.5, "world") to {_oldBlock::1}
+	set block at location(0.5, 318.5, 0.5, "world") to {_oldBlock::1}
+	set block at location(0.5, 317.5, 0.5, "world") to {_oldBlock::1}
 
 	# lowest solid block
+	set {_oldBlock::1} to block data of block at location(0.5, -63.5, 0.5, "world")
+	set {_oldBlock::2} to block data of block at location(0.5, -62.5, 0.5, "world")
+	set {_oldBlock::3} to block data of block at location(0.5, -61.5, 0.5, "world")
 	set block at location(0.5, -63.5, 0.5, "world") to air
 	set block at location(0.5, -62.5, 0.5, "world") to air
 	set block at location(0.5, -61.5, 0.5, "world") to dirt
 	set {_lowest} to lowest solid block at location(0.5, 64, 0.5, "world")
 	assert type of {_lowest} is dirt with "lowest block is not dirt (got '%type of {_lowest}%')"
 	assert location of {_lowest} is location(0.5, -61.5, 0.5, "world") with "lowest block is not at 0.5,-61.5,0.5 (got '%location of {_lowest}%')"
+	set block at location(0.5, -63.5, 0.5, "world") to {_oldBlock::1}
+	set block at location(0.5, -62.5, 0.5, "world") to {_oldBlock::2}
+	set block at location(0.5, -61.5, 0.5, "world") to {_oldBlock::3}