diff --git a/tests/modules/programs/gemini-cli/context-source.nix b/tests/modules/programs/gemini-cli/context-source.nix
new file mode 100644
index 000000000..004479368
--- /dev/null
+++ b/tests/modules/programs/gemini-cli/context-source.nix
@@ -0,0 +1,11 @@
+{
+  programs.gemini-cli = {
+    enable = true;
+    context = ./context.md;
+  };
+  nmt.script = ''
+    assertFileExists home-files/.gemini/GEMINI.md
+    assertFileContent home-files/.gemini/GEMINI.md \
+      ${./context.md}
+  '';
+}
diff --git a/tests/modules/programs/gemini-cli/context.md b/tests/modules/programs/gemini-cli/context.md
new file mode 100644
index 000000000..e5f3e288d
--- /dev/null
+++ b/tests/modules/programs/gemini-cli/context.md
@@ -0,0 +1,9 @@
+# Global Context
+
+You are a helpful AI assistant for software development.
+
+## Coding Standards
+
+- Follow consistent code style
+- Write clear comments
+- Test your changes
diff --git a/tests/modules/programs/gemini-cli/context.nix b/tests/modules/programs/gemini-cli/context.nix
new file mode 100644
index 000000000..329a1bd99
--- /dev/null
+++ b/tests/modules/programs/gemini-cli/context.nix
@@ -0,0 +1,21 @@
+{
+  programs.gemini-cli = {
+    enable = true;
+    context = ''
+      # Global Context
+
+      You are a helpful AI assistant for software development.
+
+      ## Coding Standards
+
+      - Follow consistent code style
+      - Write clear comments
+      - Test your changes
+    '';
+  };
+  nmt.script = ''
+    assertFileExists home-files/.gemini/GEMINI.md
+    assertFileContent home-files/.gemini/GEMINI.md \
+      ${./context.md}
+  '';
+}
diff --git a/tests/modules/programs/gemini-cli/default.nix b/tests/modules/programs/gemini-cli/default.nix
index 05c8682fd..7f4fe41a0 100644
--- a/tests/modules/programs/gemini-cli/default.nix
+++ b/tests/modules/programs/gemini-cli/default.nix
@@ -1,3 +1,5 @@
 {
   gemini-cli-settings = ./settings.nix;
+  gemini-cli-context = ./context.nix;
+  gemini-cli-context-source = ./context-source.nix;
 }