diff --git a/tests/workspace/test_builder.py b/tests/workspace/test_builder.py
index 4ee513cbc9d..42c90cf4016 100644
--- a/tests/workspace/test_builder.py
+++ b/tests/workspace/test_builder.py
@@ -880,6 +880,8 @@ def test_find_current_active_pane(server, monkeypatch):
             textwrap.dedent(
                 """
 session_name: Should not execute
+options:
+  default-shell: /bin/bash
 windows:
 - panes:
   - shell_command: echo "___$((1 + 3))___"
@@ -893,6 +895,8 @@ def test_find_current_active_pane(server, monkeypatch):
             textwrap.dedent(
                 """
 session_name: Should not execute
+options:
+  default-shell: /bin/bash
 windows:
 - panes:
   - shell_command:
@@ -907,6 +911,8 @@ def test_find_current_active_pane(server, monkeypatch):
             textwrap.dedent(
                 """
 session_name: Should execute
+options:
+  default-shell: /bin/bash
 windows:
 - panes:
   - shell_command: echo "___$((1 + 3))___"
@@ -919,6 +925,8 @@ def test_find_current_active_pane(server, monkeypatch):
             textwrap.dedent(
                 """
 session_name: Should execute
+options:
+  default-shell: /bin/bash
 windows:
 - panes:
   - shell_command:
@@ -932,6 +940,8 @@ def test_find_current_active_pane(server, monkeypatch):
             textwrap.dedent(
                 """
 session_name: Should not execute
+options:
+  default-shell: /bin/bash
 windows:
 - panes:
   - shell_command:
@@ -946,6 +956,8 @@ def test_find_current_active_pane(server, monkeypatch):
             textwrap.dedent(
                 """
 session_name: Should not execute
+options:
+  default-shell: /bin/bash
 windows:
 - panes:
   - shell_command:
@@ -960,6 +972,8 @@ def test_find_current_active_pane(server, monkeypatch):
             textwrap.dedent(
                 """
 session_name: Should execute
+options:
+  default-shell: /bin/bash
 windows:
 - panes:
   - shell_command: echo "___$((1 + 3))___"
@@ -972,6 +986,8 @@ def test_find_current_active_pane(server, monkeypatch):
             textwrap.dedent(
                 """
 session_name: Should execute
+options:
+  default-shell: /bin/bash
 windows:
 - panes:
   - shell_command:
@@ -1033,6 +1049,8 @@ def fn():
             textwrap.dedent(
                 """
 session_name: Should not execute
+options:
+  default-shell: /bin/bash
 windows:
 - panes:
   - shell_command:
@@ -1049,6 +1067,8 @@ def fn():
             textwrap.dedent(
                 """
 session_name: Should not execute
+options:
+  default-shell: /bin/bash
 windows:
 - panes:
   - shell_command:
@@ -1065,6 +1085,8 @@ def fn():
             textwrap.dedent(
                 """
 session_name: Should not execute
+options:
+  default-shell: /bin/bash
 windows:
 - panes:
   - shell_command:
@@ -1079,6 +1101,8 @@ def fn():
             textwrap.dedent(
                 """
 session_name: Should not execute
+options:
+  default-shell: /bin/bash
 windows:
 - panes:
   - shell_command:
@@ -1093,6 +1117,8 @@ def fn():
             textwrap.dedent(
                 """
 session_name: Should not execute
+options:
+  default-shell: /bin/bash
 shell_command_before:
   - cmd: echo "sleeping before"
     sleep_before: .5