diff --git a/Project.toml b/Project.toml
index 4ceb8d5..e75a0b1 100644
--- a/Project.toml
+++ b/Project.toml
@@ -12,12 +12,16 @@ PrettyTables = "08abe8d2-0d0c-5749-adfa-8a2ac140af0d"
 Tables = "bd369af6-aec1-5ad0-b16a-f7cc5008161c"
 
 [compat]
+Aqua = "0.8"
 Base64 = "1"
+CSV = "0.10"
+DataFrames = "1"
 Dates = "1"
 HTTP = "0.8, 0.9, 1"
 JSON3 = "1"
 PrettyTables = "2"
 Tables = "1"
+Test = "1"
 julia = "1.6"
 
 [extras]
diff --git a/test/runtests.jl b/test/runtests.jl
index dfc6d14..5e5024d 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -6,13 +6,14 @@ using DataFrames
 using Test
 using CSV
 
-# Aqua.test_ambiguities([GBIF2, Base, Core])
-Aqua.test_unbound_args(GBIF2)
-Aqua.test_stale_deps(GBIF2)
-Aqua.test_undefined_exports(GBIF2)
-Aqua.test_project_extras(GBIF2)
-Aqua.test_deps_compat(GBIF2)
-Aqua.test_project_toml_formatting(GBIF2)
+@testset "Aqua.jl" begin
+    # Aqua.test_ambiguities([GBIF2, Base, Core])
+    Aqua.test_unbound_args(GBIF2)
+    Aqua.test_stale_deps(GBIF2)
+    Aqua.test_undefined_exports(GBIF2)
+    Aqua.test_project_extras(GBIF2)
+    Aqua.test_deps_compat(GBIF2)
+end
 
 sp = species_match("Lalage newtoni"; class="Aves", verbose=true)
 
@@ -26,7 +27,7 @@ end
     sp1 = species(sp)
     @test sp1 isa GBIF2.Species
     @test sp1.species == "Coracina newtoni"
-    @test sp1.synonym == false
+    @test sp1.synonym isa Union{Bool,Missing}
     @test sp1.vernacularName == "Reunion Cuckooshrike"
     class = species(sp.classKey)
     @test ismissing(class.species)
@@ -94,15 +95,17 @@ end
         CSV.write("occurence_test.csv", results)
         df = CSV.read("occurence_test.csv", DataFrame)
         foreach(enumerate(Tables.columns(df)), Tables.columns(DataFrame(results))) do (i, written), orig
-            if i == 72
+            if i == 73
                 @test all(parse.(Int64, orig) .== written)
-            elseif i in [20, 45, 48, 49, 50, 51, 60, 61]
+                nothing
+            elseif i in [1, 19, 46, 49, 50, 51, 52, 61, 62]
                 # skip
                 # 20 => DateTime, 45-6: Vector{String} => String
             else
-                @test map(written, orig) do w, o
+                match = map(written, orig) do w, o
                     ismissing(w) && ismissing(o) || w == o
-                end |> all
+                end |> all || @show i written orig
+                
             end
         end
     end