add test for not trimmed evm versions input

apps/explorer/config/config.exs

@@ -12,7 +12,7 @@ config :explorer,
   token_functions_reader_max_retries: 3,
   allowed_evm_versions:
     System.get_env("ALLOWED_EVM_VERSIONS") ||
-      "homestead, tangerineWhistle, spuriousDragon, byzantium, constantinople, petersburg"
+      "homestead,tangerineWhistle,spuriousDragon,byzantium,constantinople,petersburg"
 
 config :explorer, Explorer.Counters.AverageBlockTime, enabled: true
 

apps/explorer/test/explorer/smart_contract/solidity/code_compiler_test.exs

@@ -270,25 +270,6 @@ defmodule Explorer.SmartContract.Solidity.CodeCompilerTest do
     end
   end
 
-  describe "allowed_evm_versions/0" do
-    @allowed_evm_versions_default "homestead, tangerineWhistle, spuriousDragon, byzantium, constantinople, petersburg"
-    @allowed_evm_versions_pattern "CustomEVM1, CustomEVM2, CustomEVM3"
-
-    test "returns allowed evm versions defined by ALLOWED_EVM_VERSIONS env var" do
-      Application.put_env(:explorer, :allowed_evm_versions, @allowed_evm_versions_pattern)
-      response = CodeCompiler.allowed_evm_versions()
-
-      assert ["CustomEVM1", "CustomEVM2", "CustomEVM3"] = response
-    end
-
-    test "returns default_allowed_evm_versions" do
-      Application.put_env(:explorer, :allowed_evm_versions, @allowed_evm_versions_default)
-      response = CodeCompiler.allowed_evm_versions()
-
-      assert ["homestead", "tangerineWhistle", "spuriousDragon", "byzantium", "constantinople", "petersburg"] = response
-    end
-  end
-
   describe "get_contract_info/1" do
     test "return name error when the Contract name doesn't match" do
       name = "Name"
@@ -329,6 +310,29 @@ defmodule Explorer.SmartContract.Solidity.CodeCompilerTest do
     end
   end
 
+  describe "allowed_evm_versions/0" do
+    test "returns allowed evm versions defined by ALLOWED_EVM_VERSIONS env var" do
+      Application.put_env(:explorer, :allowed_evm_versions, "CustomEVM1,CustomEVM2,CustomEVM3")
+      response = CodeCompiler.allowed_evm_versions()
+
+      assert ["CustomEVM1", "CustomEVM2", "CustomEVM3"] = response
+    end
+
+    test "returns allowed evm versions defined by not trimmed ALLOWED_EVM_VERSIONS env var" do
+      Application.put_env(:explorer, :allowed_evm_versions, "CustomEVM1,  CustomEVM2, CustomEVM3")
+      response = CodeCompiler.allowed_evm_versions()
+
+      assert ["CustomEVM1", "CustomEVM2", "CustomEVM3"] = response
+    end
+
+    test "returns default_allowed_evm_versions" do
+      Application.put_env(:explorer, :allowed_evm_versions, "homestead,tangerineWhistle,spuriousDragon,byzantium,constantinople,petersburg")
+      response = CodeCompiler.allowed_evm_versions()
+
+      assert ["homestead", "tangerineWhistle", "spuriousDragon", "byzantium", "constantinople", "petersburg"] = response
+    end
+  end
+
   defp remove_init_data_and_whisper_data(code) do
     {res, _} =
       code