Chore: Add tests for 'python' token type when not used as a keyword

Author: idillon-sfl

client/test/grammars/snaps/keywords.bb

@@ -26,3 +26,10 @@ inherit_defer foo2
 
 python(){}
 
+test() {
+    test python
+}
+
+def test() {
+    python = "test"
+}

client/test/grammars/test-cases/keywords.bb

@@ -41,4 +41,14 @@ python (){}
 #^^^^^^^^^^^^^ source.bb keyword.control.bb
 
 python(){}
-#<------ source.bb storage.type.function.python.bb
+#<------ source.bb storage.type.function.python.bb
+
+>test() {
+>    test python
+#         ^^^^^^ source.bb variable.other.names.bb
+>}
+
+>def test() {
+>    python = "test"
+#    ^^^^^^ source.bb variable.other.names.bb
+>}