Address a lint error

Signed-off-by: Yusuke Kuoka <ykuoka@gmail.com>

pkg/app/app_apply_hooks_test.go

@@ -165,7 +165,7 @@ func TestApply_hooks(t *testing.T) {
 				t.Errorf("unexpected log:\nDIFF\n%s\nEOD", diff)
 			}
 		} else {
-			assertEqualsToSnapshot(t, "log", bs.String())
+			assertLogEqualsToSnapshot(t, bs.String())
 		}
 	}
 

pkg/app/app_apply_nokubectx_test.go

@@ -166,7 +166,7 @@ func TestApply_3(t *testing.T) {
 				t.Errorf("unexpected log:\nDIFF\n%s\nEOD", diff)
 			}
 		} else {
-			assertEqualsToSnapshot(t, "log", bs.String())
+			assertLogEqualsToSnapshot(t, bs.String())
 		}
 	}
 

pkg/app/app_apply_test.go

@@ -166,7 +166,7 @@ func TestApply_2(t *testing.T) {
 				t.Errorf("unexpected log:\nDIFF\n%s\nEOD", diff)
 			}
 		} else {
-			assertEqualsToSnapshot(t, "log", bs.String())
+			assertLogEqualsToSnapshot(t, bs.String())
 		}
 	}
 

pkg/app/app_test.go

@@ -4353,7 +4353,7 @@ changing working directory back to "/path/to"
 					t.Errorf("unexpected log for data defined %s:\nDIFF\n%s\nEOD", tc.loc, diff)
 				}
 			} else {
-				assertEqualsToSnapshot(t, "log", bs.String())
+				assertLogEqualsToSnapshot(t, bs.String())
 			}
 		})
 	}

pkg/app/snapshot_test.go

@@ -10,6 +10,12 @@ import (
 	"github.com/google/go-cmp/cmp"
 )
 
+func assertLogEqualsToSnapshot(t *testing.T, data string) {
+	t.Helper()
+
+	assertEqualsToSnapshot(t, "log", data)
+}
+
 func assertEqualsToSnapshot(t *testing.T, name string, data string) {
 	type thisPkgLocator struct{}