diff --git a/.buildkite/pipeline.yml b/.buildkite/pipeline.yml
index f2bac5473a..4520d89441 100755
--- a/.buildkite/pipeline.yml
+++ b/.buildkite/pipeline.yml
@@ -657,12 +657,12 @@ steps:
       - label: "Unit: Thomas Algorithm"
         key: "cpu_thomas_algorithm"
         command:
-          - "julia --color=yes --check-bounds=yes --project=.buildkite test/Operators/thomas_algorithm.jl"
+          - "julia --color=yes --check-bounds=yes --project=.buildkite test/Operators/unit_thomas_algorithm.jl"
 
       - label: "Unit: Thomas Algorithm"
         key: "gpu_thomas_algorithm"
         command:
-          - "julia --color=yes --check-bounds=yes --project=.buildkite test/Operators/thomas_algorithm.jl"
+          - "julia --color=yes --check-bounds=yes --project=.buildkite test/Operators/unit_thomas_algorithm.jl"
         env:
           CLIMACOMMS_DEVICE: "CUDA"
         agents:
diff --git a/test/Operators/thomas_algorithm.jl b/test/Operators/unit_thomas_algorithm.jl
similarity index 95%
rename from test/Operators/thomas_algorithm.jl
rename to test/Operators/unit_thomas_algorithm.jl
index e86d72711f..3d081ae853 100644
--- a/test/Operators/thomas_algorithm.jl
+++ b/test/Operators/unit_thomas_algorithm.jl
@@ -1,3 +1,7 @@
+#=
+julia --project
+using Revise; include(joinpath("test", "Operators", "unit_thomas_algorithm.jl"))
+=#
 using Test
 import Random: seed!
 import LinearAlgebra: Tridiagonal, norm
diff --git a/test/runtests.jl b/test/runtests.jl
index 4c206dcfa6..65a91344f9 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -53,6 +53,7 @@ UnitTest("Hybrid - 2D"                             ,"Operators/hybrid/unit_2d.jl
 UnitTest("Hybrid - 3D"                             ,"Operators/hybrid/unit_3d.jl"),
 UnitTest("Hybrid - dss opt"                        ,"Operators/hybrid/dss_opt.jl"),
 UnitTest("Hybrid - opt"                            ,"Operators/hybrid/opt.jl"),
+UnitTest("Thomas Algorithm"                        ,"Operators/unit_thomas_algorithm.jl"),
 UnitTest("MatrixFields - BandMatrixRow"            ,"MatrixFields/band_matrix_row.jl"),
 UnitTest("MatrixFields - rmul_with_projection"     ,"MatrixFields/rmul_with_projection.jl"),
 UnitTest("MatrixFields - field2arrays"             ,"MatrixFields/field2arrays.jl"),