test: Omit All Error Conversions from Coverage (#784)

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<!-- Fill in with issue number -->
Resolves #783

Author: 0xNeshi

contracts/src/access/control/mod.rs

@@ -114,6 +114,7 @@ pub enum Error {
     BadConfirmation(AccessControlBadConfirmation),
 }
 
+#[cfg_attr(coverage_nightly, coverage(off))]
 impl MethodError for Error {
     fn encode(self) -> alloc::vec::Vec<u8> {
         self.into()

contracts/src/access/ownable.rs

@@ -58,6 +58,7 @@ pub enum Error {
     InvalidOwner(OwnableInvalidOwner),
 }
 
+#[cfg_attr(coverage_nightly, coverage(off))]
 impl MethodError for Error {
     fn encode(self) -> alloc::vec::Vec<u8> {
         self.into()

contracts/src/finance/vesting_wallet.rs

@@ -113,6 +113,7 @@ pub enum Error {
     InvalidToken(InvalidToken),
 }
 
+#[cfg_attr(coverage_nightly, coverage(off))]
 impl From<ownable::Error> for Error {
     fn from(value: ownable::Error) -> Self {
         match value {
@@ -124,6 +125,7 @@ impl From<ownable::Error> for Error {
     }
 }
 
+#[cfg_attr(coverage_nightly, coverage(off))]
 impl From<stylus_sdk::call::Error> for Error {
     fn from(value: stylus_sdk::call::Error) -> Self {
         match value {
@@ -139,6 +141,7 @@ impl From<stylus_sdk::call::Error> for Error {
     }
 }
 
+#[cfg_attr(coverage_nightly, coverage(off))]
 impl From<safe_erc20::Error> for Error {
     fn from(value: safe_erc20::Error) -> Self {
         match value {
@@ -152,6 +155,7 @@ impl From<safe_erc20::Error> for Error {
     }
 }
 
+#[cfg_attr(coverage_nightly, coverage(off))]
 impl MethodError for Error {
     fn encode(self) -> alloc::vec::Vec<u8> {
         self.into()

contracts/src/proxy/beacon/upgradeable.rs

@@ -44,12 +44,14 @@ pub enum Error {
     InvalidOwner(ownable::OwnableInvalidOwner),
 }
 
+#[cfg_attr(coverage_nightly, coverage(off))]
 impl MethodError for Error {
     fn encode(self) -> alloc::vec::Vec<u8> {
         self.into()
     }
 }
 
+#[cfg_attr(coverage_nightly, coverage(off))]
 impl From<ownable::Error> for Error {
     fn from(err: ownable::Error) -> Self {
         match err {

contracts/src/proxy/erc1967/utils.rs

@@ -80,6 +80,7 @@ pub enum Error {
     FailedCallWithReason(address::FailedCallWithReason),
 }
 
+#[cfg_attr(coverage_nightly, coverage(off))]
 impl From<address::Error> for Error {
     fn from(e: address::Error) -> Self {
         match e {
@@ -92,6 +93,7 @@ impl From<address::Error> for Error {
     }
 }
 
+#[cfg_attr(coverage_nightly, coverage(off))]
 impl MethodError for Error {
     fn encode(self) -> alloc::vec::Vec<u8> {
         self.into()

contracts/src/proxy/utils/uups_upgradeable.rs

@@ -85,6 +85,7 @@ pub enum Error {
     FailedCallWithReason(address::FailedCallWithReason),
 }
 
+#[cfg_attr(coverage_nightly, coverage(off))]
 impl From<erc1967::utils::Error> for Error {
     fn from(e: erc1967::utils::Error) -> Self {
         match e {
@@ -103,6 +104,7 @@ impl From<erc1967::utils::Error> for Error {
     }
 }
 
+#[cfg_attr(coverage_nightly, coverage(off))]
 impl MethodError for Error {
     fn encode(self) -> alloc::vec::Vec<u8> {
         self.into()

contracts/src/token/common/erc2981.rs

@@ -98,6 +98,7 @@ pub enum Error {
     InvalidTokenRoyaltyReceiver(ERC2981InvalidTokenRoyaltyReceiver),
 }
 
+#[cfg_attr(coverage_nightly, coverage(off))]
 impl MethodError for Error {
     fn encode(self) -> alloc::vec::Vec<u8> {
         self.into()

contracts/src/token/erc1155/mod.rs

@@ -177,6 +177,7 @@ pub enum Error {
     InvalidArrayLength(ERC1155InvalidArrayLength),
 }
 
+#[cfg_attr(coverage_nightly, coverage(off))]
 impl MethodError for Error {
     fn encode(self) -> alloc::vec::Vec<u8> {
         self.into()

contracts/src/token/erc20/extensions/capped.rs

@@ -42,6 +42,7 @@ pub enum Error {
     InvalidCap(ERC20InvalidCap),
 }
 
+#[cfg_attr(coverage_nightly, coverage(off))]
 impl MethodError for Error {
     fn encode(self) -> alloc::vec::Vec<u8> {
         self.into()

contracts/src/token/erc20/extensions/erc4626.rs

@@ -146,6 +146,7 @@ pub enum Error {
     InvalidApprover(erc20::ERC20InvalidApprover),
 }
 
+#[cfg_attr(coverage_nightly, coverage(off))]
 impl From<safe_erc20::Error> for Error {
     fn from(value: safe_erc20::Error) -> Self {
         match value {
@@ -159,6 +160,7 @@ impl From<safe_erc20::Error> for Error {
     }
 }
 
+#[cfg_attr(coverage_nightly, coverage(off))]
 impl From<erc20::Error> for Error {
     fn from(value: erc20::Error) -> Self {
         match value {
@@ -176,6 +178,7 @@ impl From<erc20::Error> for Error {
     }
 }
 
+#[cfg_attr(coverage_nightly, coverage(off))]
 impl MethodError for Error {
     fn encode(self) -> alloc::vec::Vec<u8> {
         self.into()