diff --git a/src/extensions/extensions.jl b/src/extensions/extensions.jl
index de959176..bb744bdb 100644
--- a/src/extensions/extensions.jl
+++ b/src/extensions/extensions.jl
@@ -10,24 +10,24 @@ end
     id::String
     label::String
     range::Range
-    code::Union{Nothing,String}
-    code_range::Union{Nothing,Range}
-    option_default_imports::Union{Nothing,Bool}
-    option_tags::Union{Nothing,Vector{String}}
-    option_setup::Union{Nothing,Vector{String}}
+    code::String
+    codeRange::Range
+    optionDefaultImports::Bool
+    optionTags::Vector{String}
+    optionSetup::Vector{String}
 end
 
 @dict_readable struct TestSetupDetail <: Outbound
     name::String
     kind::String
     range::Range
-    code::Union{Nothing,String}
-    code_range::Union{Nothing,Range}
+    code::String
+    codeRange::Range
 end
 
 @dict_readable struct TestErrorDetail <: Outbound
     id::String
-    label::Union{Nothing,String}
+    label::String
     range::Range
     error::String
 end
@@ -35,9 +35,9 @@ end
 struct PublishTestsParams <: Outbound
     uri::DocumentUri
     version::Union{Int,Missing}
-    testitemdetails::Vector{TestItemDetail}
-    testsetupdetails::Vector{TestSetupDetail}
-    testerrordetails::Vector{TestErrorDetail}
+    testItemDetails::Vector{TestItemDetail}
+    testSetupDetails::Vector{TestSetupDetail}
+    testErrorDetails::Vector{TestErrorDetail}
 end
 
 @dict_readable struct GetTestEnvRequestParams <: Outbound
@@ -45,10 +45,10 @@ end
 end
 
 @dict_readable struct GetTestEnvRequestParamsReturn <: Outbound
-    package_name::String
-    package_uri::Union{URI,Nothing}
-    project_uri::Union{URI,Nothing}
-    env_content_hash::Union{UInt,Nothing}
+    packageName::String
+    packageUri::Union{URI,Missing}
+    projectUri::Union{URI,Missing}
+    envContentHash::Union{UInt,Missing}
 end
 
 include("messagedefs.jl")
diff --git a/src/requests/testing.jl b/src/requests/testing.jl
index b1eebbb6..9347e380 100644
--- a/src/requests/testing.jl
+++ b/src/requests/testing.jl
@@ -3,8 +3,8 @@ function julia_get_test_env_request(params::GetTestEnvRequestParams, server::Lan
 
     return GetTestEnvRequestParamsReturn(
         r.package_name,
-        r.package_uri,
-        r.project_uri,
-        r.env_content_hash
+        something(r.package_uri, missing),
+        something(r.project_uri, missing),
+        something(r.env_content_hash, missing)
     )
 end
diff --git a/src/requests/textdocument.jl b/src/requests/textdocument.jl
index c3c016ff..f9c37ab4 100644
--- a/src/requests/textdocument.jl
+++ b/src/requests/textdocument.jl
@@ -471,9 +471,35 @@ function publish_tests(server::LanguageServerInstance)
             testitems_results = JuliaWorkspaces.get_test_items(server.workspace, uri)
             st = JuliaWorkspaces.get_text_file(server.workspace, uri).content
 
-            testitems = TestItemDetail[TestItemDetail(i.id, i.name, Range(st, i.range), st.content[i.code_range], Range(st, i.code_range), i.option_default_imports, string.(i.option_tags), string.(i.option_setup)) for i in testitems_results.testitems]
-            testsetups= TestSetupDetail[TestSetupDetail(string(i.name), string(i.kind), Range(st, i.range), st.content[i.code_range], Range(st, i.code_range), ) for i in testitems_results.testsetups]
-            testerrors = TestErrorDetail[TestErrorDetail(te.id, te.name, Range(st, te.range), te.message) for te in testitems_results.testerrors]
+            testitems = TestItemDetail[
+                TestItemDetail(
+                    id = i.id,
+                    label = i.name,
+                    range = Range(st, i.range),
+                    code = st.content[i.code_range],
+                    codeRange = Range(st, i.code_range),
+                    optionDefaultImports = i.option_default_imports,
+                    optionTags = string.(i.option_tags),
+                    optionSetup = string.(i.option_setup)
+                ) for i in testitems_results.testitems
+            ]
+            testsetups= TestSetupDetail[
+                TestSetupDetail(
+                    name = string(i.name),
+                    kind = string(i.kind),
+                    range = Range(st, i.range),
+                    code = st.content[i.code_range],
+                    codeRange = Range(st, i.code_range)
+                ) for i in testitems_results.testsetups
+            ]
+            testerrors = TestErrorDetail[
+                TestErrorDetail(
+                    id = te.id,
+                    label = te.name,
+                    range = Range(st, te.range),
+                    error = te.message
+                ) for te in testitems_results.testerrors
+            ]
 
             version = get(server._open_file_versions, uri, missing)