diff --git a/tests/test_bif_mem.sh b/tests/test_bif_mem.sh
index a126b31..d5093be 100755
--- a/tests/test_bif_mem.sh
+++ b/tests/test_bif_mem.sh
@@ -188,6 +188,8 @@ plant() {
     rm -rf "$tree"; mkdir -p "$tree/tests"
     cp "$ROOT"/*.eigs "$tree/"
     cp "$ROOT"/tests/*.eigs "$tree/tests/"
+    # EigenScript v0.43.0 (#1106): planted $TMP trees need eigs.json for imports
+    cp "$ROOT"/eigs.json "$tree/"
     python3 - "$tree/orbit.eigs" "$needle" "$repl" <<'PY_END'
 import sys
 path, needle, repl = sys.argv[1], sys.argv[2], sys.argv[3]
diff --git a/tests/test_bifurcation.sh b/tests/test_bifurcation.sh
index 29a65bd..5d7d345 100755
--- a/tests/test_bifurcation.sh
+++ b/tests/test_bifurcation.sh
@@ -115,6 +115,10 @@ plant() {
     rm -rf "$tree"; mkdir -p "$tree/tests"
     cp logistic.eigs "$tree/"
     cp tests/bifurcation_oracle.eigs "$tree/tests/"
+    # EigenScript v0.43.0 (#1106): import/load_file need project-root eigs.json
+    # (cwd no longer resolves). Without this, planted trees under $TMP die on
+    # `import logistic` before the oracle assertions can catch the fault.
+    cp eigs.json "$tree/"
     python3 - "$tree/logistic.eigs" "$needle" "$repl" <<'PY'
 import sys
 path, needle, repl = sys.argv[1], sys.argv[2], sys.argv[3]
diff --git a/tests/test_lint.sh b/tests/test_lint.sh
index 0125753..886e0e9 100755
--- a/tests/test_lint.sh
+++ b/tests/test_lint.sh
@@ -46,6 +46,7 @@ echo "PASS: all $N .eigs files lint clean"
 echo "--- planted fault: an unused variable ---"
 mkdir -p "$TMP/fault/tests"
 cp ./*.eigs "$TMP/fault/"
+cp eigs.json "$TMP/fault/"
 printf 'DEAD_CONSTANT is 42\nprint of "hi"\n' > "$TMP/fault/planted.eigs"
 if lint_tree "$TMP/fault" quiet; then
     echo "FAIL: an unused variable passed the lint gate — the gate isn't running"
diff --git a/tests/test_orbit_hist.sh b/tests/test_orbit_hist.sh
index 6d3dff0..08c65fc 100755
--- a/tests/test_orbit_hist.sh
+++ b/tests/test_orbit_hist.sh
@@ -15,7 +15,6 @@ ROOT="$(cd "$(dirname "$0")/.." && pwd)"
 cd "$ROOT"
 
 TMP="$(mktemp -d)"
-trap "rm -rf '$TMP'" EXIT
 
 field() { echo "$1" | grep -E "^$2 " | awk '{print $2}'; }
 
@@ -62,9 +61,15 @@ check "$OUT" || exit 1
 echo "PASS: dump path keeps the whole trajectory; interactive path stays bounded and display-identical"
 
 # Planted fault: drop the cap and the bound assertion must catch it.
-sed 's/^trimmed.cap is orbit.HIST_CAP$/trimmed.cap is 0/' tests/orbit_hist_dump.eigs > "$TMP/nocap.eigs"
-cmp -s tests/orbit_hist_dump.eigs "$TMP/nocap.eigs" && { echo "FAIL: planted-fault substitution did not apply"; exit 1; }
-FOUT=$("$EIGS" "$TMP/nocap.eigs" 2>&1)
+# Write under the repo (not $TMP): EigenScript v0.43.0 (#1106) resolves
+# `import orbit` via file-relative then project-root (eigs.json). A copy
+# under /tmp has neither, so the fault run died before the checker ran and
+# `set -e` turned that into a silent suite red on the v0.43.0 pin bump.
+PLANT="tests/.nocap_orbit_hist.eigs"
+trap "rm -rf '$TMP' '$PLANT'" EXIT
+sed 's/^trimmed.cap is orbit.HIST_CAP$/trimmed.cap is 0/' tests/orbit_hist_dump.eigs > "$PLANT"
+cmp -s tests/orbit_hist_dump.eigs "$PLANT" && { echo "FAIL: planted-fault substitution did not apply"; exit 1; }
+FOUT=$("$EIGS" "$PLANT" 2>&1)
 if check "$FOUT" quiet; then
     echo "FAIL: planted fault (cap removed) passed the bound check — the checker can't discriminate"
     exit 1