fix(testing): remove codspeed folder used for integration tests

Author: not-matthias

go-runner/src/builder/snapshots/codspeed_go_runner__builder__discovery__tests__discover_benchmarks@example.snap

@@ -153,19 +153,11 @@ expression: packages
     "raw_package": "[raw_package]",
     "benchmarks": [
       {
-        "name": "BenchmarkAdd",
+        "name": "BenchmarkExternalFib",
         "module_path": "example/external",
-        "import_alias": "benchmarkadd_8141020470883116639",
-        "qualified_name": "benchmarkadd_8141020470883116639.BenchmarkAdd",
-        "file_path": "external/math_test.go",
-        "is_external": true
-      },
-      {
-        "name": "BenchmarkMultiply",
-        "module_path": "example/external",
-        "import_alias": "benchmarkmultiply_8141020470883116639",
-        "qualified_name": "benchmarkmultiply_8141020470883116639.BenchmarkMultiply",
-        "file_path": "external/math_test.go",
+        "import_alias": "benchmarkexternalfib_8141020470883116639",
+        "qualified_name": "benchmarkexternalfib_8141020470883116639.BenchmarkExternalFib",
+        "file_path": "external/external_test.go",
         "is_external": true
       }
     ]

go-runner/src/snapshots/codspeed_go_runner__integration_tests__assert_results_snapshots@example-with-test-package.snap

@@ -15,7 +15,7 @@ expression: results
     "benchmarks": [
       {
         "name": "BenchmarkAdd",
-        "uri": "go-runner/testdata/projects/example-with-test-package/codspeed/math_test.go::BenchmarkAdd",
+        "uri": "go-runner/testdata/projects/example-with-test-package/math_test.go::BenchmarkAdd",
         "config": {
           "warmup_time_ns": null,
           "min_round_time_ns": null,
@@ -26,7 +26,7 @@ expression: results
       },
       {
         "name": "BenchmarkMultiply",
-        "uri": "go-runner/testdata/projects/example-with-test-package/codspeed/math_test.go::BenchmarkMultiply",
+        "uri": "go-runner/testdata/projects/example-with-test-package/math_test.go::BenchmarkMultiply",
         "config": {
           "warmup_time_ns": null,
           "min_round_time_ns": null,
@@ -106,7 +106,7 @@ expression: results
     "benchmarks": [
       {
         "name": "BenchmarkFibonacci20",
-        "uri": "go-runner/testdata/projects/example-with-test-package/fib_external/codspeed/fib_integration_test.go::BenchmarkFibonacci20",
+        "uri": "go-runner/testdata/projects/example-with-test-package/fib_external/fib_integration_test.go::BenchmarkFibonacci20",
         "config": {
           "warmup_time_ns": null,
           "min_round_time_ns": null,

go-runner/src/snapshots/codspeed_go_runner__integration_tests__assert_results_snapshots@example.snap

@@ -3,40 +3,6 @@ source: go-runner/src/integration_tests.rs
 expression: results
 ---
 [
-  {
-    "creator": {
-      "name": "codspeed-go",
-      "version": "[version]",
-      "pid": "[pid]"
-    },
-    "instrument": {
-      "type": "walltime"
-    },
-    "benchmarks": [
-      {
-        "name": "BenchmarkAdd",
-        "uri": "example/external/codspeed/math_test.go::BenchmarkAdd",
-        "config": {
-          "warmup_time_ns": null,
-          "min_round_time_ns": null,
-          "max_time_ns": null,
-          "max_rounds": null
-        },
-        "stats": "[stats]"
-      },
-      {
-        "name": "BenchmarkMultiply",
-        "uri": "example/external/codspeed/math_test.go::BenchmarkMultiply",
-        "config": {
-          "warmup_time_ns": null,
-          "min_round_time_ns": null,
-          "max_time_ns": null,
-          "max_rounds": null
-        },
-        "stats": "[stats]"
-      }
-    ]
-  },
   {
     "creator": {
       "name": "codspeed-go",
@@ -138,6 +104,29 @@ expression: results
       }
     ]
   },
+  {
+    "creator": {
+      "name": "codspeed-go",
+      "version": "[version]",
+      "pid": "[pid]"
+    },
+    "instrument": {
+      "type": "walltime"
+    },
+    "benchmarks": [
+      {
+        "name": "BenchmarkExternalFib",
+        "uri": "example/external/external_test.go::BenchmarkExternalFib",
+        "config": {
+          "warmup_time_ns": null,
+          "min_round_time_ns": null,
+          "max_time_ns": null,
+          "max_rounds": null
+        },
+        "stats": "[stats]"
+      }
+    ]
+  },
   {
     "creator": {
       "name": "codspeed-go",